and packet type ID), so in a "gatewayed" configuration, all
outgoing traffic will generally use the same device. Incoming
traffic may also end up on a single device, but that is
- dependent upon the balancing policy of the peer's 8023.ad
+ dependent upon the balancing policy of the peer's 802.3ad
implementation. In a "local" configuration, traffic will be
distributed across the devices in the bond.
L: linux-fsdevel@vger.kernel.org
S: Maintained
F: include/linux/fcntl.h
-F: include/linux/fs.h
F: include/uapi/linux/fcntl.h
-F: include/uapi/linux/fs.h
F: fs/fcntl.c
F: fs/locks.c
L: linux-fsdevel@vger.kernel.org
S: Maintained
F: fs/*
+F: include/linux/fs.h
+F: include/uapi/linux/fs.h
FINTEK F75375S HARDWARE MONITOR AND FAN CONTROLLER DRIVER
M: Riku Voipio <riku.voipio@iki.fi>
F: arch/mips/kvm/
KERNEL VIRTUAL MACHINE FOR POWERPC (KVM/powerpc)
-M: Alexander Graf <agraf@suse.com>
+M: Paul Mackerras <paulus@ozlabs.org>
L: kvm-ppc@vger.kernel.org
W: http://www.linux-kvm.org/
T: git git://github.com/agraf/linux-2.6.git
and non-text memory will be made non-executable. This provides
protection against certain security exploits (e.g. writing to text)
-config ARCH_WANT_RELAX_ORDER
- bool
-
config ARCH_HAS_REFCOUNT
bool
help
EXC_VIRT(program_check, 0x4700, 0x100, 0x700)
TRAMP_KVM(PACA_EXGEN, 0x700)
EXC_COMMON_BEGIN(program_check_common)
- EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN)
+ /*
+ * It's possible to receive a TM Bad Thing type program check with
+ * userspace register values (in particular r1), but with SRR1 reporting
+ * that we came from the kernel. Normally that would confuse the bad
+ * stack logic, and we would report a bad kernel stack pointer. Instead
+ * we switch to the emergency stack if we're taking a TM Bad Thing from
+ * the kernel.
+ */
+ li r10,MSR_PR /* Build a mask of MSR_PR .. */
+ oris r10,r10,0x200000@h /* .. and SRR1_PROGTM */
+ and r10,r10,r12 /* Mask SRR1 with that. */
+ srdi r10,r10,8 /* Shift it so we can compare */
+ cmpldi r10,(0x200000 >> 8) /* .. with an immediate. */
+ bne 1f /* If != go to normal path. */
+
+ /* SRR1 had PR=0 and SRR1_PROGTM=1, so use the emergency stack */
+ andi. r10,r12,MSR_PR; /* Set CR0 correctly for label */
+ /* 3 in EXCEPTION_PROLOG_COMMON */
+ mr r10,r1 /* Save r1 */
+ ld r1,PACAEMERGSP(r13) /* Use emergency stack */
+ subi r1,r1,INT_FRAME_SIZE /* alloc stack frame */
+ b 3f /* Jump into the macro !! */
+1: EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN)
bl save_nvgprs
RECONCILE_IRQ_STATE(r10, r11)
addi r3,r1,STACK_FRAME_OVERHEAD
if (MSR_TM_RESV(msr))
return -EINVAL;
- /* pull in MSR TM from user context */
+ /* pull in MSR TS bits from user context */
regs->msr = (regs->msr & ~MSR_TS_MASK) | (msr & MSR_TS_MASK);
+ /*
+ * Ensure that TM is enabled in regs->msr before we leave the signal
+ * handler. It could be the case that (a) user disabled the TM bit
+ * through the manipulation of the MSR bits in uc_mcontext or (b) the
+ * TM bit was disabled because a sufficient number of context switches
+ * happened whilst in the signal handler and load_tm overflowed,
+ * disabling the TM bit. In either case we can end up with an illegal
+ * TM state leading to a TM Bad Thing when we return to userspace.
+ */
+ regs->msr |= MSR_TM;
+
/* pull in MSR LE from user context */
regs->msr = (regs->msr & ~MSR_LE) | (msr & MSR_LE);
* - we have no stack frame and can not allocate one
* - LR points back to the original caller (in A)
* - CTR holds the new NIP in C
- * - r0 & r12 are free
- *
- * r0 can't be used as the base register for a DS-form load or store, so
- * we temporarily shuffle r1 (stack pointer) into r0 and then put it back.
+ * - r0, r11 & r12 are free
*/
livepatch_handler:
CURRENT_THREAD_INFO(r12, r1)
- /* Save stack pointer into r0 */
- mr r0, r1
-
/* Allocate 3 x 8 bytes */
- ld r1, TI_livepatch_sp(r12)
- addi r1, r1, 24
- std r1, TI_livepatch_sp(r12)
+ ld r11, TI_livepatch_sp(r12)
+ addi r11, r11, 24
+ std r11, TI_livepatch_sp(r12)
/* Save toc & real LR on livepatch stack */
- std r2, -24(r1)
+ std r2, -24(r11)
mflr r12
- std r12, -16(r1)
+ std r12, -16(r11)
/* Store stack end marker */
lis r12, STACK_END_MAGIC@h
ori r12, r12, STACK_END_MAGIC@l
- std r12, -8(r1)
-
- /* Restore real stack pointer */
- mr r1, r0
+ std r12, -8(r11)
/* Put ctr in r12 for global entry and branch there */
mfctr r12
/*
* Now we are returning from the patched function to the original
- * caller A. We are free to use r0 and r12, and we can use r2 until we
+ * caller A. We are free to use r11, r12 and we can use r2 until we
* restore it.
*/
CURRENT_THREAD_INFO(r12, r1)
- /* Save stack pointer into r0 */
- mr r0, r1
-
- ld r1, TI_livepatch_sp(r12)
+ ld r11, TI_livepatch_sp(r12)
/* Check stack marker hasn't been trashed */
lis r2, STACK_END_MAGIC@h
ori r2, r2, STACK_END_MAGIC@l
- ld r12, -8(r1)
+ ld r12, -8(r11)
1: tdne r12, r2
EMIT_BUG_ENTRY 1b, __FILE__, __LINE__ - 1, 0
/* Restore LR & toc from livepatch stack */
- ld r12, -16(r1)
+ ld r12, -16(r11)
mtlr r12
- ld r2, -24(r1)
+ ld r2, -24(r11)
/* Pop livepatch stack frame */
- CURRENT_THREAD_INFO(r12, r0)
- subi r1, r1, 24
- std r1, TI_livepatch_sp(r12)
-
- /* Restore real stack pointer */
- mr r1, r0
+ CURRENT_THREAD_INFO(r12, r1)
+ subi r11, r11, 24
+ std r11, TI_livepatch_sp(r12)
/* Return to original caller of live patched function */
blr
* Logical instructions
*/
case 26: /* cntlzw */
- op->val = __builtin_clz((unsigned int) regs->gpr[rd]);
+ val = (unsigned int) regs->gpr[rd];
+ op->val = ( val ? __builtin_clz(val) : 32 );
goto logical_done;
#ifdef __powerpc64__
case 58: /* cntlzd */
- op->val = __builtin_clzl(regs->gpr[rd]);
+ val = regs->gpr[rd];
+ op->val = ( val ? __builtin_clzl(val) : 64 );
goto logical_done;
#endif
case 28: /* and */
int arch_update_cpu_topology(void)
{
- lockdep_assert_cpus_held();
return numa_update_cpu_topology(true);
}
/* Take the mutex lock for this node and then decrement the reference count */
mutex_lock(&ref->lock);
+ if (ref->refc == 0) {
+ /*
+ * The scenario where this is true is, when perf session is
+ * started, followed by offlining of all cpus in a given node.
+ *
+ * In the cpuhotplug offline path, ppc_nest_imc_cpu_offline()
+ * function set the ref->count to zero, if the cpu which is
+ * about to offline is the last cpu in a given node and make
+ * an OPAL call to disable the engine in that node.
+ *
+ */
+ mutex_unlock(&ref->lock);
+ return;
+ }
ref->refc--;
if (ref->refc == 0) {
rc = opal_imc_counters_stop(OPAL_IMC_COUNTERS_NEST,
/* We need only vbase for core counters */
mem_info->vbase = page_address(alloc_pages_node(phys_id,
- GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE,
- get_order(size)));
+ GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE |
+ __GFP_NOWARN, get_order(size)));
if (!mem_info->vbase)
return -ENOMEM;
return;
mutex_lock(&ref->lock);
+ if (ref->refc == 0) {
+ /*
+ * The scenario where this is true is, when perf session is
+ * started, followed by offlining of all cpus in a given core.
+ *
+ * In the cpuhotplug offline path, ppc_core_imc_cpu_offline()
+ * function set the ref->count to zero, if the cpu which is
+ * about to offline is the last cpu in a given core and make
+ * an OPAL call to disable the engine in that core.
+ *
+ */
+ mutex_unlock(&ref->lock);
+ return;
+ }
ref->refc--;
if (ref->refc == 0) {
rc = opal_imc_counters_stop(OPAL_IMC_COUNTERS_CORE,
* free the memory in cpu offline path.
*/
local_mem = page_address(alloc_pages_node(phys_id,
- GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE,
- get_order(size)));
+ GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE |
+ __GFP_NOWARN, get_order(size)));
if (!local_mem)
return -ENOMEM;
}
/* Only free the attr_groups which are dynamically allocated */
- kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]->attrs);
+ if (pmu_ptr->attr_groups[IMC_EVENT_ATTR])
+ kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]->attrs);
kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]);
kfree(pmu_ptr);
return;
select ARCH_HAS_SG_CHAIN
select CPU_NO_EFFICIENT_FFS
select LOCKDEP_SMALL if LOCKDEP
- select ARCH_WANT_RELAX_ORDER
config SPARC32
def_bool !64BIT
unsigned level, unsigned gpte)
{
/*
- * PT_PAGE_TABLE_LEVEL always terminates. The RHS has bit 7 set
- * iff level <= PT_PAGE_TABLE_LEVEL, which for our purpose means
- * level == PT_PAGE_TABLE_LEVEL; set PT_PAGE_SIZE_MASK in gpte then.
- */
- gpte |= level - PT_PAGE_TABLE_LEVEL - 1;
-
- /*
* The RHS has bit 7 set iff level < mmu->last_nonleaf_level.
* If it is clear, there are no large pages at this level, so clear
* PT_PAGE_SIZE_MASK in gpte if that is the case.
*/
gpte &= level - mmu->last_nonleaf_level;
+ /*
+ * PT_PAGE_TABLE_LEVEL always terminates. The RHS has bit 7 set
+ * iff level <= PT_PAGE_TABLE_LEVEL, which for our purpose means
+ * level == PT_PAGE_TABLE_LEVEL; set PT_PAGE_SIZE_MASK in gpte then.
+ */
+ gpte |= level - PT_PAGE_TABLE_LEVEL - 1;
+
return gpte & PT_PAGE_SIZE_MASK;
}
update_permission_bitmask(vcpu, context, true);
update_pkru_bitmask(vcpu, context, true);
+ update_last_nonleaf_level(vcpu, context);
reset_rsvds_bits_mask_ept(vcpu, context, execonly);
reset_ept_shadow_zero_bits_mask(vcpu, context, execonly);
}
--walker->level;
index = PT_INDEX(addr, walker->level);
-
table_gfn = gpte_to_gfn(pte);
offset = index * sizeof(pt_element_t);
pte_gpa = gfn_to_gpa(table_gfn) + offset;
+
+ BUG_ON(walker->level < 1);
walker->table_gfn[walker->level - 1] = table_gfn;
walker->pte_gpa[walker->level - 1] = pte_gpa;
/* Same as above - no reason to call set_cr4_guest_host_mask(). */
vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK);
- kvm_set_cr4(vcpu, vmcs12->host_cr4);
+ vmx_set_cr4(vcpu, vmcs12->host_cr4);
nested_ept_uninit_mmu_context(vcpu);
int rc;
rc = cpuhp_setup_state_nocalls(CPUHP_XEN_PREPARE,
- "x86/xen/hvm_guest:prepare",
+ "x86/xen/guest:prepare",
cpu_up_prepare_cb, cpu_dead_cb);
if (rc >= 0) {
rc = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
- "x86/xen/hvm_guest:online",
+ "x86/xen/guest:online",
xen_cpu_up_online, NULL);
if (rc < 0)
cpuhp_remove_state_nocalls(CPUHP_XEN_PREPARE);
*/
bmd->is_our_pages = map_data ? 0 : 1;
memcpy(bmd->iov, iter->iov, sizeof(struct iovec) * iter->nr_segs);
- iov_iter_init(&bmd->iter, iter->type, bmd->iov,
- iter->nr_segs, iter->count);
+ bmd->iter = *iter;
+ bmd->iter.iov = bmd->iov;
ret = -ENOMEM;
bio = bio_kmalloc(gfp_mask, nr_pages);
int ret, offset;
struct iov_iter i;
struct iovec iov;
+ struct bio_vec *bvec;
iov_for_each(iov, i, *iter) {
unsigned long uaddr = (unsigned long) iov.iov_base;
ret = get_user_pages_fast(uaddr, local_nr_pages,
(iter->type & WRITE) != WRITE,
&pages[cur_page]);
- if (ret < local_nr_pages) {
+ if (unlikely(ret < local_nr_pages)) {
+ for (j = cur_page; j < page_limit; j++) {
+ if (!pages[j])
+ break;
+ put_page(pages[j]);
+ }
ret = -EFAULT;
goto out_unmap;
}
offset = offset_in_page(uaddr);
for (j = cur_page; j < page_limit; j++) {
unsigned int bytes = PAGE_SIZE - offset;
+ unsigned short prev_bi_vcnt = bio->bi_vcnt;
if (len <= 0)
break;
bytes)
break;
+ /*
+ * check if vector was merged with previous
+ * drop page reference if needed
+ */
+ if (bio->bi_vcnt == prev_bi_vcnt)
+ put_page(pages[j]);
+
len -= bytes;
offset = 0;
}
return bio;
out_unmap:
- for (j = 0; j < nr_pages; j++) {
- if (!pages[j])
- break;
- put_page(pages[j]);
+ bio_for_each_segment_all(bvec, bio, j) {
+ put_page(bvec->bv_page);
}
out:
kfree(pages);
int err;
absize = keylen + (alignmask & ~(crypto_tfm_ctx_alignment() - 1));
- buffer = kmalloc(absize, GFP_KERNEL);
+ buffer = kmalloc(absize, GFP_ATOMIC);
if (!buffer)
return -ENOMEM;
int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc)
{
- struct scatterlist *sg = req->src;
- unsigned int offset = sg->offset;
unsigned int nbytes = req->nbytes;
+ struct scatterlist *sg;
+ unsigned int offset;
int err;
- if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) {
+ if (nbytes &&
+ (sg = req->src, offset = sg->offset,
+ nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset))) {
void *data;
data = kmap_atomic(sg_page(sg));
static int skcipher_walk_first(struct skcipher_walk *walk)
{
- walk->nbytes = 0;
-
if (WARN_ON_ONCE(in_irq()))
return -EDEADLK;
- if (unlikely(!walk->total))
- return 0;
-
walk->buffer = NULL;
if (unlikely(((unsigned long)walk->iv & walk->alignmask))) {
int err = skcipher_copy_iv(walk);
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ walk->total = req->cryptlen;
+ walk->nbytes = 0;
+
+ if (unlikely(!walk->total))
+ return 0;
+
scatterwalk_start(&walk->in, req->src);
scatterwalk_start(&walk->out, req->dst);
- walk->total = req->cryptlen;
walk->iv = req->iv;
walk->oiv = req->iv;
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
int err;
+ walk->nbytes = 0;
+
+ if (unlikely(!walk->total))
+ return 0;
+
walk->flags &= ~SKCIPHER_WALK_PHYS;
scatterwalk_start(&walk->in, req->src);
ctx->name[len - 1] = 0;
if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME,
- "xts(%s)", ctx->name) >= CRYPTO_MAX_ALG_NAME)
- return -ENAMETOOLONG;
+ "xts(%s)", ctx->name) >= CRYPTO_MAX_ALG_NAME) {
+ err = -ENAMETOOLONG;
+ goto err_drop_spawn;
+ }
} else
goto err_drop_spawn;
* }
* }
*
- * Calling this function with index %2 return %-ENOENT and with index %3
- * returns the last entry. If the property does not contain any more values
- * %-ENODATA is returned. The NULL entry must be single integer and
- * preferably contain value %0.
+ * Calling this function with index %2 or index %3 return %-ENOENT. If the
+ * property does not contain any more values %-ENOENT is returned. The NULL
+ * entry must be single integer and preferably contain value %0.
*
* Return: %0 on success, negative error code on failure.
*/
data = acpi_device_data_of_node(fwnode);
if (!data)
- return -EINVAL;
+ return -ENOENT;
ret = acpi_data_get_property(data, propname, ACPI_TYPE_ANY, &obj);
if (ret)
- return ret;
+ return ret == -EINVAL ? -ENOENT : -EINVAL;
/*
* The simplest case is when the value is a single reference. Just
ret = acpi_bus_get_device(obj->reference.handle, &device);
if (ret)
- return ret;
+ return ret == -ENODEV ? -EINVAL : ret;
args->adev = device;
args->nargs = 0;
* The index argument is then used to determine which reference
* the caller wants (along with the arguments).
*/
- if (obj->type != ACPI_TYPE_PACKAGE || index >= obj->package.count)
- return -EPROTO;
+ if (obj->type != ACPI_TYPE_PACKAGE)
+ return -EINVAL;
+ if (index >= obj->package.count)
+ return -ENOENT;
element = obj->package.elements;
end = element + obj->package.count;
ret = acpi_bus_get_device(element->reference.handle,
&device);
if (ret)
- return -ENODEV;
+ return -EINVAL;
nargs = 0;
element++;
else if (type == ACPI_TYPE_LOCAL_REFERENCE)
break;
else
- return -EPROTO;
+ return -EINVAL;
}
if (nargs > MAX_ACPI_REFERENCE_ARGS)
- return -EPROTO;
+ return -EINVAL;
if (idx == index) {
args->adev = device;
return -ENOENT;
element++;
} else {
- return -EPROTO;
+ return -EINVAL;
}
idx++;
}
- return -ENODATA;
+ return -ENOENT;
}
EXPORT_SYMBOL_GPL(__acpi_node_get_property_reference);
#include <linux/phy.h>
struct property_set {
+ struct device *dev;
struct fwnode_handle fwnode;
const struct property_entry *properties;
};
* Caller is responsible to call fwnode_handle_put() on the returned
* args->fwnode pointer.
*
+ * Returns: %0 on success
+ * %-ENOENT when the index is out of bounds, the index has an empty
+ * reference or the property was not found
+ * %-EINVAL on parse error
*/
int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode,
const char *prop, const char *nargs_prop,
void device_remove_properties(struct device *dev)
{
struct fwnode_handle *fwnode;
+ struct property_set *pset;
fwnode = dev_fwnode(dev);
if (!fwnode)
* the pset. If there is no real firmware node (ACPI/DT) primary
* will hold the pset.
*/
- if (is_pset_node(fwnode)) {
+ pset = to_pset_node(fwnode);
+ if (pset) {
set_primary_fwnode(dev, NULL);
- pset_free_set(to_pset_node(fwnode));
} else {
- fwnode = fwnode->secondary;
- if (!IS_ERR(fwnode) && is_pset_node(fwnode)) {
+ pset = to_pset_node(fwnode->secondary);
+ if (pset && dev == pset->dev)
set_secondary_fwnode(dev, NULL);
- pset_free_set(to_pset_node(fwnode));
- }
}
+ if (pset && dev == pset->dev)
+ pset_free_set(pset);
}
EXPORT_SYMBOL_GPL(device_remove_properties);
p->fwnode.ops = &pset_fwnode_ops;
set_secondary_fwnode(dev, &p->fwnode);
+ p->dev = dev;
return 0;
}
EXPORT_SYMBOL_GPL(device_add_properties);
/* The crypto framework makes it hard to avoid this global. */
static struct device *artpec6_crypto_dev;
-static struct dentry *dbgfs_root;
-
#ifdef CONFIG_FAULT_INJECTION
static DECLARE_FAULT_ATTR(artpec6_crypto_fail_status_read);
static DECLARE_FAULT_ATTR(artpec6_crypto_fail_dma_array_full);
char *desc;
};
+static struct dentry *dbgfs_root;
+
static void artpec6_crypto_init_debugfs(void)
{
dbgfs_root = debugfs_create_dir("artpec6_crypto", NULL);
{
struct stm32_hash_request_ctx *rctx = ahash_request_ctx(hdev->req);
struct scatterlist sg[1], *tsg;
- int err = 0, len = 0, reg, ncp;
+ int err = 0, len = 0, reg, ncp = 0;
unsigned int i;
- const u32 *buffer = (const u32 *)rctx->buffer;
+ u32 *buffer = (void *)rctx->buffer;
rctx->sg = hdev->req->src;
rctx->total = hdev->req->nbytes;
reg |= HASH_CR_DMAA;
stm32_hash_write(hdev, HASH_CR, reg);
- for (i = 0; i < DIV_ROUND_UP(ncp, sizeof(u32)); i++)
- stm32_hash_write(hdev, HASH_DIN, buffer[i]);
-
- stm32_hash_set_nblw(hdev, ncp);
+ if (ncp) {
+ memset(buffer + ncp, 0,
+ DIV_ROUND_UP(ncp, sizeof(u32)) - ncp);
+ writesl(hdev->io_base + HASH_DIN, buffer,
+ DIV_ROUND_UP(ncp, sizeof(u32)));
+ }
+ stm32_hash_set_nblw(hdev, DIV_ROUND_UP(ncp, sizeof(u32)));
reg = stm32_hash_read(hdev, HASH_STR);
reg |= HASH_STR_DCAL;
stm32_hash_write(hdev, HASH_STR, reg);
config GPIO_THUNDERX
tristate "Cavium ThunderX/OCTEON-TX GPIO"
depends on ARCH_THUNDER || (64BIT && COMPILE_TEST)
- depends on PCI_MSI && IRQ_DOMAIN_HIERARCHY
+ depends on PCI_MSI
+ select IRQ_DOMAIN_HIERARCHY
select IRQ_FASTEOI_HIERARCHY_HANDLERS
help
Say yes here to support the on-chip GPIO lines on the ThunderX
if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
irq_set_handler_locked(d, handle_level_irq);
else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
- irq_set_handler_locked(d, handle_edge_irq);
+ /*
+ * Edge IRQs are already cleared/acked in irq_handler and
+ * not need to be masked, as result handle_edge_irq()
+ * logic is excessed here and may cause lose of interrupts.
+ * So just use handle_simple_irq.
+ */
+ irq_set_handler_locked(d, handle_simple_irq);
return 0;
static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)
{
void __iomem *isr_reg = NULL;
- u32 isr;
+ u32 enabled, isr, level_mask;
unsigned int bit;
struct gpio_bank *bank = gpiobank;
unsigned long wa_lock_flags;
pm_runtime_get_sync(bank->chip.parent);
while (1) {
- u32 isr_saved, level_mask = 0;
- u32 enabled;
-
raw_spin_lock_irqsave(&bank->lock, lock_flags);
enabled = omap_get_gpio_irqbank_mask(bank);
- isr_saved = isr = readl_relaxed(isr_reg) & enabled;
+ isr = readl_relaxed(isr_reg) & enabled;
if (bank->level_mask)
level_mask = bank->level_mask & enabled;
+ else
+ level_mask = 0;
/* clear edge sensitive interrupts before handler(s) are
called so that we don't miss any interrupt occurred while
executing them */
- omap_disable_gpio_irqbank(bank, isr_saved & ~level_mask);
- omap_clear_gpio_irqbank(bank, isr_saved & ~level_mask);
- omap_enable_gpio_irqbank(bank, isr_saved & ~level_mask);
+ if (isr & ~level_mask)
+ omap_clear_gpio_irqbank(bank, isr & ~level_mask);
raw_spin_unlock_irqrestore(&bank->lock, lock_flags);
/*---------------------------------------------------------------------*/
-static void __init omap_gpio_show_rev(struct gpio_bank *bank)
+static void omap_gpio_show_rev(struct gpio_bank *bank)
{
static bool called;
u32 rev;
if (pin <= 255) {
char ev_name[5];
- sprintf(ev_name, "_%c%02X",
+ sprintf(ev_name, "_%c%02hhX",
agpio->triggering == ACPI_EDGE_SENSITIVE ? 'E' : 'L',
pin);
if (ACPI_SUCCESS(acpi_get_handle(handle, ev_name, &evt_handle)))
Support for ELECOM devices:
- BM084 Bluetooth Mouse
- DEFT Trackball (Wired and wireless)
+ - HUGE Trackball (Wired and wireless)
config HID_ELO
tristate "ELO USB 4000/4500 touchscreen"
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_HUGE_WIRED) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_HUGE_WIRELESS) },
#endif
#if IS_ENABLED(CONFIG_HID_ELO)
{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
* Copyright (c) 2010 Richard Nauber <Richard.Nauber@gmail.com>
* Copyright (c) 2016 Yuxuan Shui <yshuiv7@gmail.com>
* Copyright (c) 2017 Diego Elio Pettenò <flameeyes@flameeyes.eu>
+ * Copyright (c) 2017 Alex Manoussakis <amanou@gnu.org>
*/
/*
break;
case USB_DEVICE_ID_ELECOM_DEFT_WIRED:
case USB_DEVICE_ID_ELECOM_DEFT_WIRELESS:
- /* The DEFT trackball has eight buttons, but its descriptor only
- * reports five, disabling the three Fn buttons on the top of
- * the mouse.
+ case USB_DEVICE_ID_ELECOM_HUGE_WIRED:
+ case USB_DEVICE_ID_ELECOM_HUGE_WIRELESS:
+ /* The DEFT/HUGE trackball has eight buttons, but its descriptor
+ * only reports five, disabling the three Fn buttons on the top
+ * of the mouse.
*
* Apply the following diff to the descriptor:
*
* End Collection, End Collection,
*/
if (*rsize == 213 && rdesc[13] == 5 && rdesc[21] == 5) {
- hid_info(hdev, "Fixing up Elecom DEFT Fn buttons\n");
+ hid_info(hdev, "Fixing up Elecom DEFT/HUGE Fn buttons\n");
rdesc[13] = 8; /* Button/Variable Report Count */
rdesc[21] = 8; /* Button/Variable Usage Maximum */
rdesc[29] = 0; /* Button/Constant Report Count */
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_HUGE_WIRED) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_HUGE_WIRELESS) },
{ }
};
MODULE_DEVICE_TABLE(hid, elecom_devices);
#define USB_DEVICE_ID_ELECOM_BM084 0x0061
#define USB_DEVICE_ID_ELECOM_DEFT_WIRED 0x00fe
#define USB_DEVICE_ID_ELECOM_DEFT_WIRELESS 0x00ff
+#define USB_DEVICE_ID_ELECOM_HUGE_WIRED 0x010c
+#define USB_DEVICE_ID_ELECOM_HUGE_WIRELESS 0x010d
#define USB_VENDOR_ID_DREAM_CHEEKY 0x1d34
#define USB_DEVICE_ID_DREAM_CHEEKY_WN 0x0004
unsigned int rsize = 0;
char *rdesc;
int ret, n;
+ int num_descriptors;
+ size_t offset = offsetof(struct hid_descriptor, desc);
quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
return -ENODEV;
}
+ if (hdesc->bLength < sizeof(struct hid_descriptor)) {
+ dbg_hid("hid descriptor is too short\n");
+ return -EINVAL;
+ }
+
hid->version = le16_to_cpu(hdesc->bcdHID);
hid->country = hdesc->bCountryCode;
- for (n = 0; n < hdesc->bNumDescriptors; n++)
+ num_descriptors = min_t(int, hdesc->bNumDescriptors,
+ (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor));
+
+ for (n = 0; n < num_descriptors; n++)
if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
return true;
default:
bpf_warn_invalid_xdp_action(action);
+ /* fall through */
case XDP_ABORTED:
trace_xdp_exception(nic->netdev, prog, action);
+ /* fall through */
case XDP_DROP:
/* Check if it's a recycled page, if not
* unmap the DMA mapping.
**/
static s32 ixgbe_start_hw_82598(struct ixgbe_hw *hw)
{
-#ifndef CONFIG_SPARC
- u32 regval;
- u32 i;
-#endif
s32 ret_val;
ret_val = ixgbe_start_hw_generic(hw);
-
-#ifndef CONFIG_SPARC
- /* Disable relaxed ordering */
- for (i = 0; ((i < hw->mac.max_tx_queues) &&
- (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) {
- regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
- regval &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
- IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(i), regval);
- }
-
- for (i = 0; ((i < hw->mac.max_rx_queues) &&
- (i < IXGBE_DCA_MAX_QUEUES_82598)); i++) {
- regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
- regval &= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN |
- IXGBE_DCA_RXCTRL_HEAD_WRO_EN);
- IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
- }
-#endif
if (ret_val)
return ret_val;
}
IXGBE_WRITE_FLUSH(hw);
-#ifndef CONFIG_ARCH_WANT_RELAX_ORDER
- /* Disable relaxed ordering */
- for (i = 0; i < hw->mac.max_tx_queues; i++) {
- u32 regval;
-
- regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(i));
- regval &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
- IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(i), regval);
- }
-
- for (i = 0; i < hw->mac.max_rx_queues; i++) {
- u32 regval;
-
- regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
- regval &= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN |
- IXGBE_DCA_RXCTRL_HEAD_WRO_EN);
- IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
- }
-#endif
return 0;
}
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_ring *temp_ring;
- int i, err = 0;
+ int i, j, err = 0;
u32 new_rx_count, new_tx_count;
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
}
/* allocate temporary buffer to store rings in */
- i = max_t(int, adapter->num_tx_queues, adapter->num_rx_queues);
- i = max_t(int, i, adapter->num_xdp_queues);
+ i = max_t(int, adapter->num_tx_queues + adapter->num_xdp_queues,
+ adapter->num_rx_queues);
temp_ring = vmalloc(i * sizeof(struct ixgbe_ring));
if (!temp_ring) {
}
}
- for (i = 0; i < adapter->num_xdp_queues; i++) {
- memcpy(&temp_ring[i], adapter->xdp_ring[i],
+ for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
+ memcpy(&temp_ring[i], adapter->xdp_ring[j],
sizeof(struct ixgbe_ring));
temp_ring[i].count = new_tx_count;
memcpy(adapter->tx_ring[i], &temp_ring[i],
sizeof(struct ixgbe_ring));
}
- for (i = 0; i < adapter->num_xdp_queues; i++) {
- ixgbe_free_tx_resources(adapter->xdp_ring[i]);
+ for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
+ ixgbe_free_tx_resources(adapter->xdp_ring[j]);
- memcpy(adapter->xdp_ring[i], &temp_ring[i],
+ memcpy(adapter->xdp_ring[j], &temp_ring[i],
sizeof(struct ixgbe_ring));
}
IXGBE_FLAG_GENEVE_OFFLOAD_CAPABLE)))
return;
- vxlanctrl = IXGBE_READ_REG(hw, IXGBE_VXLANCTRL) && ~mask;
+ vxlanctrl = IXGBE_READ_REG(hw, IXGBE_VXLANCTRL) & ~mask;
IXGBE_WRITE_REG(hw, IXGBE_VXLANCTRL, vxlanctrl);
if (mask & IXGBE_VXLANCTRL_VXLAN_UDPPORT_MASK)
return ixgbe_ptp_set_ts_config(adapter, req);
case SIOCGHWTSTAMP:
return ixgbe_ptp_get_ts_config(adapter, req);
+ case SIOCGMIIPHY:
+ if (!adapter->hw.phy.ops.read_reg)
+ return -EOPNOTSUPP;
+ /* fall through */
default:
return mdio_mii_ioctl(&adapter->hw.phy.mdio, if_mii(req), cmd);
}
static void mlxsw_sp_fib_lpm_tree_unlink(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fib *fib)
{
- struct mlxsw_sp_prefix_usage req_prefix_usage = {{ 0 } };
- struct mlxsw_sp_lpm_tree *lpm_tree;
-
- /* Aggregate prefix lengths across all virtual routers to make
- * sure we only have used prefix lengths in the LPM tree.
- */
- mlxsw_sp_vrs_prefixes(mlxsw_sp, fib->proto, &req_prefix_usage);
- lpm_tree = mlxsw_sp_lpm_tree_get(mlxsw_sp, &req_prefix_usage,
- fib->proto);
- if (IS_ERR(lpm_tree))
- goto err_tree_get;
- mlxsw_sp_vrs_lpm_tree_replace(mlxsw_sp, fib, lpm_tree);
-
-err_tree_get:
if (!mlxsw_sp_prefix_usage_none(&fib->prefix_usage))
return;
mlxsw_sp_vr_lpm_tree_unbind(mlxsw_sp, fib);
static int ppp_dev_init(struct net_device *dev)
{
+ struct ppp *ppp;
+
netdev_lockdep_set_classes(dev);
+
+ ppp = netdev_priv(dev);
+ /* Let the netdevice take a reference on the ppp file. This ensures
+ * that ppp_destroy_interface() won't run before the device gets
+ * unregistered.
+ */
+ atomic_inc(&ppp->file.refcnt);
+
return 0;
}
wake_up_interruptible(&ppp->file.rwait);
}
+static void ppp_dev_priv_destructor(struct net_device *dev)
+{
+ struct ppp *ppp;
+
+ ppp = netdev_priv(dev);
+ if (atomic_dec_and_test(&ppp->file.refcnt))
+ ppp_destroy_interface(ppp);
+}
+
static const struct net_device_ops ppp_netdev_ops = {
.ndo_init = ppp_dev_init,
.ndo_uninit = ppp_dev_uninit,
dev->tx_queue_len = 3;
dev->type = ARPHRD_PPP;
dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
+ dev->priv_destructor = ppp_dev_priv_destructor;
netif_keep_dst(dev);
}
#define NVIDIA_VENDOR_ID 0x0955
#define HP_VENDOR_ID 0x03f0
#define MICROSOFT_VENDOR_ID 0x045e
+#define UBLOX_VENDOR_ID 0x1546
static const struct usb_device_id products[] = {
/* BLACKLIST !!
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&zte_cdc_info,
}, {
+ /* U-blox TOBY-L2 */
+ USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1143, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_info,
+}, {
+ /* U-blox SARA-U2 */
+ USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1104, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_info,
+}, {
USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long) &cdc_info,
{
if (!dn || dn != of_stdout || console_set_on_cmdline)
return false;
- return !add_preferred_console(name, index,
- kstrdup(of_stdout_options, GFP_KERNEL));
+
+ /*
+ * XXX: cast `options' to char pointer to suppress complication
+ * warnings: printk, UART and console drivers expect char pointer.
+ */
+ return !add_preferred_console(name, index, (char *)of_stdout_options);
}
EXPORT_SYMBOL_GPL(of_console_check);
#include <linux/sort.h>
#include <linux/slab.h>
-#define MAX_RESERVED_REGIONS 16
+#define MAX_RESERVED_REGIONS 32
static struct reserved_mem reserved_mem[MAX_RESERVED_REGIONS];
static int reserved_mem_count;
struct device_node *np;
/* Get the parent of the port */
- np = of_get_next_parent(to_of_node(fwnode));
+ np = of_get_parent(to_of_node(fwnode));
if (!np)
return NULL;
tristate "AMD GPIO pin control"
depends on GPIOLIB
select GPIOLIB_IRQCHIP
+ select PINMUX
select PINCONF
select GENERIC_PINCONF
help
unsigned long events;
unsigned offset;
unsigned gpio;
- unsigned int type;
events = bcm2835_gpio_rd(pc, GPEDS0 + bank * 4);
events &= mask;
events &= pc->enabled_irq_map[bank];
for_each_set_bit(offset, &events, 32) {
gpio = (32 * bank) + offset;
- /* FIXME: no clue why the code looks up the type here */
- type = pc->irq_type[gpio];
-
generic_handle_irq(irq_linear_revmap(pc->gpio_chip.irqdomain,
gpio));
}
struct gpio_chip *chip = &pctrl->chip;
bool need_valid_mask = !dmi_check_system(chv_no_valid_mask);
int ret, i, offset;
+ int irq_base;
*chip = chv_gpio_chip;
/* Clear all interrupts */
chv_writel(0xffff, pctrl->regs + CHV_INTSTAT);
- ret = gpiochip_irqchip_add(chip, &chv_gpio_irqchip, 0,
+ if (!need_valid_mask) {
+ irq_base = devm_irq_alloc_descs(pctrl->dev, -1, 0,
+ chip->ngpio, NUMA_NO_NODE);
+ if (irq_base < 0) {
+ dev_err(pctrl->dev, "Failed to allocate IRQ numbers\n");
+ return irq_base;
+ }
+ } else {
+ irq_base = 0;
+ }
+
+ ret = gpiochip_irqchip_add(chip, &chv_gpio_irqchip, irq_base,
handle_bad_irq, IRQ_TYPE_NONE);
if (ret) {
dev_err(pctrl->dev, "failed to add IRQ chip\n");
depends on OF && ARCH_QCOM
depends on QCOM_SMEM
depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n)
+ depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
select MFD_SYSCON
select QCOM_RPROC_COMMON
select QCOM_SCM
tristate "Qualcomm WCNSS Peripheral Image Loader"
depends on OF && ARCH_QCOM
depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n)
+ depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
depends on QCOM_SMEM
select QCOM_MDT_LOADER
select QCOM_RPROC_COMMON
if (!(att->flags & ATT_OWN))
continue;
- if (b > IMX7D_RPROC_MEM_MAX)
+ if (b >= IMX7D_RPROC_MEM_MAX)
break;
priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev,
att->sa, att->size);
- if (IS_ERR(priv->mem[b].cpu_addr)) {
+ if (!priv->mem[b].cpu_addr) {
dev_err(dev, "devm_ioremap_resource failed\n");
- err = PTR_ERR(priv->mem[b].cpu_addr);
- return err;
+ return -ENOMEM;
}
priv->mem[b].sys_addr = att->sa;
priv->mem[b].size = att->size;
return err;
}
- if (b > IMX7D_RPROC_MEM_MAX)
+ if (b >= IMX7D_RPROC_MEM_MAX)
break;
priv->mem[b].cpu_addr = devm_ioremap_resource(&pdev->dev, &res);
unsigned long flags;
intent = kzalloc(sizeof(*intent), GFP_KERNEL);
-
if (!intent)
return NULL;
intent->data = kzalloc(size, GFP_KERNEL);
if (!intent->data)
- return NULL;
+ goto free_intent;
spin_lock_irqsave(&channel->intent_lock, flags);
ret = idr_alloc_cyclic(&channel->liids, intent, 1, -1, GFP_ATOMIC);
if (ret < 0) {
spin_unlock_irqrestore(&channel->intent_lock, flags);
- return NULL;
+ goto free_data;
}
spin_unlock_irqrestore(&channel->intent_lock, flags);
intent->reuse = reuseable;
return intent;
+
+free_data:
+ kfree(intent->data);
+free_intent:
+ kfree(intent);
+ return NULL;
}
static void qcom_glink_handle_rx_done(struct qcom_glink *glink,
ret = qcom_glink_tx(glink, &cmd, sizeof(cmd), NULL, 0, true);
if (ret)
- return ret;
+ goto unlock;
ret = wait_for_completion_timeout(&channel->intent_req_comp, 10 * HZ);
if (!ret) {
ret = channel->intent_req_result ? 0 : -ECANCELED;
}
+unlock:
mutex_unlock(&channel->intent_req_lock);
return ret;
}
p9_debug(P9_DEBUG_VFS, "filp %p, mapping %p\n", filp, mapping);
- if (unlikely(copied < len && !PageUptodate(page))) {
- copied = 0;
- goto out;
+ if (!PageUptodate(page)) {
+ if (unlikely(copied < len)) {
+ copied = 0;
+ goto out;
+ } else if (len == PAGE_SIZE) {
+ SetPageUptodate(page);
+ }
}
/*
* No need to use i_size_read() here, the i_size
*/
if (sdio->boundary) {
ret = dio_send_cur_page(dio, sdio, map_bh);
- dio_bio_submit(dio, sdio);
+ if (sdio->bio)
+ dio_bio_submit(dio, sdio);
put_page(sdio->cur_page);
sdio->cur_page = NULL;
}
bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
void refresh_sit_entry(struct f2fs_sb_info *sbi, block_t old, block_t new);
void stop_discard_thread(struct f2fs_sb_info *sbi);
-void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi);
+void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi, bool umount);
void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc);
void release_discard_addrs(struct f2fs_sb_info *sbi);
int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
}
/* This comes from f2fs_put_super and f2fs_trim_fs */
-void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
+void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi, bool umount)
{
__issue_discard_cmd(sbi, false);
__drop_discard_cmd(sbi);
- __wait_discard_cmd(sbi, false);
+ __wait_discard_cmd(sbi, !umount);
}
static void mark_discard_range_all(struct f2fs_sb_info *sbi)
}
/* It's time to issue all the filed discards */
mark_discard_range_all(sbi);
- f2fs_wait_discard_bios(sbi);
+ f2fs_wait_discard_bios(sbi, false);
out:
range->len = F2FS_BLK_TO_BYTES(cpc.trimmed);
return err;
}
/* be sure to wait for any on-going discard commands */
- f2fs_wait_discard_bios(sbi);
+ f2fs_wait_discard_bios(sbi, true);
if (f2fs_discard_en(sbi) && !sbi->discard_blks) {
struct cp_control cpc = {
static void pnfs_init_server(struct nfs_server *server)
{
rpc_init_wait_queue(&server->roc_rpcwaitq, "pNFS ROC");
- rpc_init_wait_queue(&server->uoc_rpcwaitq, "NFS UOC");
}
#else
ida_init(&server->openowner_id);
ida_init(&server->lockowner_id);
pnfs_init_server(server);
+ rpc_init_wait_queue(&server->uoc_rpcwaitq, "NFS UOC");
return server;
}
struct nfs4_filelayout_segment *fl = FILELAYOUT_LSEG(lseg);
dprintk("--> %s\n", __func__);
- nfs4_fl_put_deviceid(fl->dsaddr);
+ if (fl->dsaddr != NULL)
+ nfs4_fl_put_deviceid(fl->dsaddr);
/* This assumes a single RW lseg */
if (lseg->pls_range.iomode == IOMODE_RW) {
struct nfs4_filelayout *flo;
ssize_t ret;
ret = nfs_idmap_get_desc(name, namelen, type, strlen(type), &desc);
- if (ret <= 0)
+ if (ret < 0)
return ERR_PTR(ret);
rkey = request_key(&key_type_id_resolver, desc, "");
lo = NFS_I(inode)->layout;
/* If the open stateid was bad, then recover it. */
if (!lo || test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags) ||
- nfs4_stateid_match_other(&lgp->args.stateid,
- &lgp->args.ctx->state->stateid)) {
+ !nfs4_stateid_match_other(&lgp->args.stateid, &lo->plh_stateid)) {
spin_unlock(&inode->i_lock);
exception->state = lgp->args.ctx->state;
exception->stateid = &lgp->args.stateid;
* Assumes OPEN is the biggest non-idempotent compound.
* 2 is the verifier.
*/
- max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE +
- RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT;
+ max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + 2)
+ * XDR_UNIT + RPC_MAX_AUTH_SIZE;
encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr);
p = reserve_space(xdr, 16 + 2*28 + 20 + clnt->cl_nodelen + 12);
exp_put(u->secinfo.si_exp);
}
+static void
+nfsd4_secinfo_no_name_release(union nfsd4_op_u *u)
+{
+ if (u->secinfo_no_name.sin_exp)
+ exp_put(u->secinfo_no_name.sin_exp);
+}
+
static __be32
nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
union nfsd4_op_u *u)
},
[OP_SECINFO_NO_NAME] = {
.op_func = nfsd4_secinfo_no_name,
- .op_release = nfsd4_secinfo_release,
+ .op_release = nfsd4_secinfo_no_name_release,
.op_flags = OP_HANDLES_WRONGSEC,
.op_name = "OP_SECINFO_NO_NAME",
.op_rsize_bop = nfsd4_secinfo_rsize,
spin_lock(&dquot->dq_dqb_lock);
if (!sb_has_quota_limits_enabled(sb, dquot->dq_id.type) ||
test_bit(DQ_FAKE_B, &dquot->dq_flags))
- goto add;
+ goto finish;
tspace = dquot->dq_dqb.dqb_curspace + dquot->dq_dqb.dqb_rsvspace
+ space + rsv_space;
- if (flags & DQUOT_SPACE_NOFAIL)
- goto add;
-
if (dquot->dq_dqb.dqb_bhardlimit &&
tspace > dquot->dq_dqb.dqb_bhardlimit &&
!ignore_hardlimit(dquot)) {
if (flags & DQUOT_SPACE_WARN)
prepare_warning(warn, dquot, QUOTA_NL_BHARDWARN);
ret = -EDQUOT;
- goto out;
+ goto finish;
}
if (dquot->dq_dqb.dqb_bsoftlimit &&
if (flags & DQUOT_SPACE_WARN)
prepare_warning(warn, dquot, QUOTA_NL_BSOFTLONGWARN);
ret = -EDQUOT;
- goto out;
+ goto finish;
}
if (dquot->dq_dqb.dqb_bsoftlimit &&
* be always printed
*/
ret = -EDQUOT;
- goto out;
+ goto finish;
}
}
-add:
- dquot->dq_dqb.dqb_rsvspace += rsv_space;
- dquot->dq_dqb.dqb_curspace += space;
-out:
+finish:
+ /*
+ * We have to be careful and go through warning generation & grace time
+ * setting even if DQUOT_SPACE_NOFAIL is set. That's why we check it
+ * only here...
+ */
+ if (flags & DQUOT_SPACE_NOFAIL)
+ ret = 0;
+ if (!ret) {
+ dquot->dq_dqb.dqb_rsvspace += rsv_space;
+ dquot->dq_dqb.dqb_curspace += space;
+ }
spin_unlock(&dquot->dq_dqb_lock);
return ret;
}
bp = xfs_btree_get_bufs(args->mp, args->tp,
args->agno, fbno, 0);
+ if (!bp) {
+ error = -EFSCORRUPTED;
+ goto error0;
+ }
xfs_trans_binval(args->tp, bp);
}
args->len = 1;
if (error)
goto out_agbp_relse;
bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0);
+ if (!bp) {
+ error = -EFSCORRUPTED;
+ goto out_agbp_relse;
+ }
xfs_trans_binval(tp, bp);
}
int is_empty;
int error;
- bma->aeof = 0;
+ bma->aeof = false;
error = xfs_bmap_last_extent(NULL, bma->ip, whichfork, &rec,
&is_empty);
if (error)
return error;
if (is_empty) {
- bma->aeof = 1;
+ bma->aeof = true;
return 0;
}
if (!(mp->m_flags & XFS_MOUNT_IKEEP) &&
rec.ir_free == XFS_INOBT_ALL_FREE &&
mp->m_sb.sb_inopblock <= XFS_INODES_PER_CHUNK) {
- xic->deleted = 1;
+ xic->deleted = true;
xic->first_ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino);
xic->alloc = xfs_inobt_irec_to_allocmask(&rec);
xfs_difree_inode_chunk(mp, agno, &rec, dfops);
} else {
- xic->deleted = 0;
+ xic->deleted = false;
error = xfs_inobt_update(cur, &rec);
if (error) {
uint32_t ilf_fields; /* flags for fields logged */
uint16_t ilf_asize; /* size of attr d/ext/root */
uint16_t ilf_dsize; /* size of data/ext/root */
+ uint32_t ilf_pad; /* pad for 64 bit boundary */
uint64_t ilf_ino; /* inode number */
union {
uint32_t ilfu_rdev; /* rdev value for dev inode*/
int32_t ilf_boffset; /* off of inode in buffer */
} xfs_inode_log_format_t;
-typedef struct xfs_inode_log_format_32 {
- uint16_t ilf_type; /* inode log item type */
- uint16_t ilf_size; /* size of this item */
- uint32_t ilf_fields; /* flags for fields logged */
- uint16_t ilf_asize; /* size of attr d/ext/root */
- uint16_t ilf_dsize; /* size of data/ext/root */
- uint64_t ilf_ino; /* inode number */
- union {
- uint32_t ilfu_rdev; /* rdev value for dev inode*/
- uuid_t ilfu_uuid; /* mount point value */
- } ilf_u;
- int64_t ilf_blkno; /* blkno of inode buffer */
- int32_t ilf_len; /* len of inode buffer */
- int32_t ilf_boffset; /* off of inode in buffer */
-} __attribute__((packed)) xfs_inode_log_format_32_t;
-
-typedef struct xfs_inode_log_format_64 {
+/*
+ * Old 32 bit systems will log in this format without the 64 bit
+ * alignment padding. Recovery will detect this and convert it to the
+ * correct format.
+ */
+struct xfs_inode_log_format_32 {
uint16_t ilf_type; /* inode log item type */
uint16_t ilf_size; /* size of this item */
uint32_t ilf_fields; /* flags for fields logged */
uint16_t ilf_asize; /* size of attr d/ext/root */
uint16_t ilf_dsize; /* size of data/ext/root */
- uint32_t ilf_pad; /* pad for 64 bit boundary */
uint64_t ilf_ino; /* inode number */
union {
uint32_t ilfu_rdev; /* rdev value for dev inode*/
int64_t ilf_blkno; /* blkno of inode buffer */
int32_t ilf_len; /* len of inode buffer */
int32_t ilf_boffset; /* off of inode in buffer */
-} xfs_inode_log_format_64_t;
+} __attribute__((packed));
/*
int
xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
+ umode_t mode;
+ bool set_mode = false;
int error = 0;
if (!acl)
return error;
if (type == ACL_TYPE_ACCESS) {
- umode_t mode;
-
error = posix_acl_update_mode(inode, &mode, &acl);
if (error)
return error;
- error = xfs_set_mode(inode, mode);
- if (error)
- return error;
+ set_mode = true;
}
set_acl:
- return __xfs_set_acl(inode, acl, type);
+ error = __xfs_set_acl(inode, acl, type);
+ if (error)
+ return error;
+
+ /*
+ * We set the mode after successfully updating the ACL xattr because the
+ * xattr update can fail at ENOSPC and we don't want to change the mode
+ * if the ACL update hasn't been applied.
+ */
+ if (set_mode)
+ error = xfs_set_mode(inode, mode);
+
+ return error;
}
&bp, XFS_ATTR_FORK);
if (error)
return error;
+ node = bp->b_addr;
+ btree = dp->d_ops->node_tree_p(node);
child_fsb = be32_to_cpu(btree[i + 1].before);
xfs_trans_brelse(*trans, bp);
}
GFP_NOFS, 0);
}
+#ifdef CONFIG_XFS_RT
int
xfs_bmap_rtalloc(
struct xfs_bmalloca *ap) /* bmap alloc argument struct */
}
return 0;
}
+#endif /* CONFIG_XFS_RT */
/*
* Check if the endoff is outside the last extent. If so the caller will grow
struct xfs_trans;
struct xfs_bmalloca;
+#ifdef CONFIG_XFS_RT
int xfs_bmap_rtalloc(struct xfs_bmalloca *ap);
+#else /* !CONFIG_XFS_RT */
+/*
+ * Attempts to allocate RT extents when RT is disable indicates corruption and
+ * should trigger a shutdown.
+ */
+static inline int
+xfs_bmap_rtalloc(struct xfs_bmalloca *ap)
+{
+ return -EFSCORRUPTED;
+}
+#endif /* CONFIG_XFS_RT */
+
int xfs_bmap_eof(struct xfs_inode *ip, xfs_fileoff_t endoff,
int whichfork, int *eof);
int xfs_bmap_punch_delalloc_range(struct xfs_inode *ip,
enum xfs_prealloc_flags flags = 0;
uint iolock = XFS_IOLOCK_EXCL;
loff_t new_size = 0;
- bool do_file_insert = 0;
+ bool do_file_insert = false;
if (!S_ISREG(inode->i_mode))
return -EINVAL;
error = -EINVAL;
goto out_unlock;
}
- do_file_insert = 1;
+ do_file_insert = true;
} else {
flags |= XFS_PREALLOC_SET;
return query_fn(tp, info);
}
+#ifdef CONFIG_XFS_RT
/* Actually query the realtime bitmap. */
STATIC int
xfs_getfsmap_rtdev_rtbitmap_query(
return __xfs_getfsmap_rtdev(tp, keys, xfs_getfsmap_rtdev_rtbitmap_query,
info);
}
+#endif /* CONFIG_XFS_RT */
/* Execute a getfsmap query against the regular data device. */
STATIC int
return false;
}
+/*
+ * There are only two devices if we didn't configure RT devices at build time.
+ */
+#ifdef CONFIG_XFS_RT
#define XFS_GETFSMAP_DEVS 3
+#else
+#define XFS_GETFSMAP_DEVS 2
+#endif /* CONFIG_XFS_RT */
+
/*
* Get filesystem's extents as described in head, and format for
* output. Calls formatter to fill the user's buffer until all
handlers[1].dev = new_encode_dev(mp->m_logdev_targp->bt_dev);
handlers[1].fn = xfs_getfsmap_logdev;
}
+#ifdef CONFIG_XFS_RT
if (mp->m_rtdev_targp) {
handlers[2].dev = new_encode_dev(mp->m_rtdev_targp->bt_dev);
handlers[2].fn = xfs_getfsmap_rtdev_rtbitmap;
}
+#endif /* CONFIG_XFS_RT */
xfs_sort(handlers, XFS_GETFSMAP_DEVS, sizeof(struct xfs_getfsmap_dev),
xfs_getfsmap_dev_compare);
to->di_dmstate = from->di_dmstate;
to->di_flags = from->di_flags;
+ /* log a dummy value to ensure log structure is fully initialised */
+ to->di_next_unlinked = NULLAGINO;
+
if (from->di_version == 3) {
to->di_changecount = inode->i_version;
to->di_crtime.t_sec = from->di_crtime.t_sec;
* the second with the on-disk inode structure, and a possible third and/or
* fourth with the inode data/extents/b-tree root and inode attributes
* data/extents/b-tree root.
+ *
+ * Note: Always use the 64 bit inode log format structure so we don't
+ * leave an uninitialised hole in the format item on 64 bit systems. Log
+ * recovery on 32 bit systems handles this just fine, so there's no reason
+ * for not using an initialising the properly padded structure all the time.
*/
STATIC void
xfs_inode_item_format(
{
struct xfs_inode_log_item *iip = INODE_ITEM(lip);
struct xfs_inode *ip = iip->ili_inode;
- struct xfs_inode_log_format *ilf;
struct xfs_log_iovec *vecp = NULL;
+ struct xfs_inode_log_format *ilf;
ASSERT(ip->i_d.di_version > 1);
ilf->ilf_boffset = ip->i_imap.im_boffset;
ilf->ilf_fields = XFS_ILOG_CORE;
ilf->ilf_size = 2; /* format + core */
- xlog_finish_iovec(lv, vecp, sizeof(struct xfs_inode_log_format));
+
+ /*
+ * make sure we don't leak uninitialised data into the log in the case
+ * when we don't log every field in the inode.
+ */
+ ilf->ilf_dsize = 0;
+ ilf->ilf_asize = 0;
+ ilf->ilf_pad = 0;
+ uuid_copy(&ilf->ilf_u.ilfu_uuid, &uuid_null);
+
+ xlog_finish_iovec(lv, vecp, sizeof(*ilf));
xfs_inode_item_format_core(ip, lv, &vecp);
xfs_inode_item_format_data_fork(iip, ilf, lv, &vecp);
}
/*
- * convert an xfs_inode_log_format struct from either 32 or 64 bit versions
- * (which can have different field alignments) to the native version
+ * convert an xfs_inode_log_format struct from the old 32 bit version
+ * (which can have different field alignments) to the native 64 bit version
*/
int
xfs_inode_item_format_convert(
- xfs_log_iovec_t *buf,
- xfs_inode_log_format_t *in_f)
+ struct xfs_log_iovec *buf,
+ struct xfs_inode_log_format *in_f)
{
- if (buf->i_len == sizeof(xfs_inode_log_format_32_t)) {
- xfs_inode_log_format_32_t *in_f32 = buf->i_addr;
-
- in_f->ilf_type = in_f32->ilf_type;
- in_f->ilf_size = in_f32->ilf_size;
- in_f->ilf_fields = in_f32->ilf_fields;
- in_f->ilf_asize = in_f32->ilf_asize;
- in_f->ilf_dsize = in_f32->ilf_dsize;
- in_f->ilf_ino = in_f32->ilf_ino;
- /* copy biggest field of ilf_u */
- uuid_copy(&in_f->ilf_u.ilfu_uuid, &in_f32->ilf_u.ilfu_uuid);
- in_f->ilf_blkno = in_f32->ilf_blkno;
- in_f->ilf_len = in_f32->ilf_len;
- in_f->ilf_boffset = in_f32->ilf_boffset;
- return 0;
- } else if (buf->i_len == sizeof(xfs_inode_log_format_64_t)){
- xfs_inode_log_format_64_t *in_f64 = buf->i_addr;
-
- in_f->ilf_type = in_f64->ilf_type;
- in_f->ilf_size = in_f64->ilf_size;
- in_f->ilf_fields = in_f64->ilf_fields;
- in_f->ilf_asize = in_f64->ilf_asize;
- in_f->ilf_dsize = in_f64->ilf_dsize;
- in_f->ilf_ino = in_f64->ilf_ino;
- /* copy biggest field of ilf_u */
- uuid_copy(&in_f->ilf_u.ilfu_uuid, &in_f64->ilf_u.ilfu_uuid);
- in_f->ilf_blkno = in_f64->ilf_blkno;
- in_f->ilf_len = in_f64->ilf_len;
- in_f->ilf_boffset = in_f64->ilf_boffset;
- return 0;
- }
- return -EFSCORRUPTED;
+ struct xfs_inode_log_format_32 *in_f32 = buf->i_addr;
+
+ if (buf->i_len != sizeof(*in_f32))
+ return -EFSCORRUPTED;
+
+ in_f->ilf_type = in_f32->ilf_type;
+ in_f->ilf_size = in_f32->ilf_size;
+ in_f->ilf_fields = in_f32->ilf_fields;
+ in_f->ilf_asize = in_f32->ilf_asize;
+ in_f->ilf_dsize = in_f32->ilf_dsize;
+ in_f->ilf_ino = in_f32->ilf_ino;
+ /* copy biggest field of ilf_u */
+ uuid_copy(&in_f->ilf_u.ilfu_uuid, &in_f32->ilf_u.ilfu_uuid);
+ in_f->ilf_blkno = in_f32->ilf_blkno;
+ in_f->ilf_len = in_f32->ilf_len;
+ in_f->ilf_boffset = in_f32->ilf_boffset;
+ return 0;
}
if (lv)
vecp = lv->lv_iovecp;
}
- if (record_cnt == 0 && ordered == false) {
+ if (record_cnt == 0 && !ordered) {
if (!lv)
return 0;
break;
xfs_set_maxicount(mp);
/* enable fail_at_unmount as default */
- mp->m_fail_unmount = 1;
+ mp->m_fail_unmount = true;
error = xfs_sysfs_init(&mp->m_kobj, &xfs_mp_ktype, NULL, mp->m_fsname);
if (error)
XFS_CHECK_STRUCT_SIZE(struct xfs_icreate_log, 28);
XFS_CHECK_STRUCT_SIZE(struct xfs_ictimestamp, 8);
XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format_32, 52);
- XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format_64, 56);
+ XFS_CHECK_STRUCT_SIZE(struct xfs_inode_log_format, 56);
XFS_CHECK_STRUCT_SIZE(struct xfs_qoff_logformat, 20);
XFS_CHECK_STRUCT_SIZE(struct xfs_trans_header, 16);
}
{
}
+static inline int bpf_obj_get_user(const char __user *pathname)
+{
+ return -EOPNOTSUPP;
+}
+
static inline struct net_device *__dev_map_lookup_elem(struct bpf_map *map,
u32 key)
{
#define EBT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1)) & \
~(__alignof__(struct _xt_align)-1))
-extern struct ebt_table *ebt_register_table(struct net *net,
- const struct ebt_table *table,
- const struct nf_hook_ops *);
+extern int ebt_register_table(struct net *net,
+ const struct ebt_table *table,
+ const struct nf_hook_ops *ops,
+ struct ebt_table **res);
extern void ebt_unregister_table(struct net *net, struct ebt_table *table,
const struct nf_hook_ops *);
extern unsigned int ebt_do_table(struct sk_buff *skb,
int port; /* created/attached port */
unsigned int flags; /* SNDRV_VIRMIDI_* */
rwlock_t filelist_lock;
+ struct rw_semaphore filelist_sem;
struct list_head filelist;
};
XT_BPF_MODE_FD_PINNED,
XT_BPF_MODE_FD_ELF,
};
+#define XT_BPF_MODE_PATH_PINNED XT_BPF_MODE_FD_PINNED
struct xt_bpf_info_v1 {
__u16 mode;
putname(pname);
return ret;
}
+EXPORT_SYMBOL_GPL(bpf_obj_get_user);
static void bpf_evict_inode(struct inode *inode)
{
{
struct bpf_verifier_state *parent = state->parent;
+ if (regno == BPF_REG_FP)
+ /* We don't need to worry about FP liveness because it's read-only */
+ return;
+
while (parent) {
/* if read wasn't screened by an earlier write ... */
if (state->regs[regno].live & REG_LIVE_WRITTEN)
* copy register state to dest reg
*/
regs[insn->dst_reg] = regs[insn->src_reg];
+ regs[insn->dst_reg].live |= REG_LIVE_WRITTEN;
} else {
/* R1 = (u32) R2 */
if (is_pointer_value(env, insn->src_reg)) {
if (!infop)
return err;
+ if (!access_ok(VERIFY_WRITE, infop, sizeof(*infop)))
+ goto Efault;
+
user_access_begin();
unsafe_put_user(signo, &infop->si_signo, Efault);
unsafe_put_user(0, &infop->si_errno, Efault);
if (!infop)
return err;
+ if (!access_ok(VERIFY_WRITE, infop, sizeof(*infop)))
+ goto Efault;
+
user_access_begin();
unsafe_put_user(signo, &infop->si_signo, Efault);
unsafe_put_user(0, &infop->si_errno, Efault);
}
EXPORT_SYMBOL_GPL(klp_register_patch);
+/*
+ * Remove parts of patches that touch a given kernel module. The list of
+ * patches processed might be limited. When limit is NULL, all patches
+ * will be handled.
+ */
+static void klp_cleanup_module_patches_limited(struct module *mod,
+ struct klp_patch *limit)
+{
+ struct klp_patch *patch;
+ struct klp_object *obj;
+
+ list_for_each_entry(patch, &klp_patches, list) {
+ if (patch == limit)
+ break;
+
+ klp_for_each_object(patch, obj) {
+ if (!klp_is_module(obj) || strcmp(obj->name, mod->name))
+ continue;
+
+ /*
+ * Only unpatch the module if the patch is enabled or
+ * is in transition.
+ */
+ if (patch->enabled || patch == klp_transition_patch) {
+ pr_notice("reverting patch '%s' on unloading module '%s'\n",
+ patch->mod->name, obj->mod->name);
+ klp_unpatch_object(obj);
+ }
+
+ klp_free_object_loaded(obj);
+ break;
+ }
+ }
+}
+
int klp_module_coming(struct module *mod)
{
int ret;
pr_warn("patch '%s' failed for module '%s', refusing to load module '%s'\n",
patch->mod->name, obj->mod->name, obj->mod->name);
mod->klp_alive = false;
- klp_free_object_loaded(obj);
+ klp_cleanup_module_patches_limited(mod, patch);
mutex_unlock(&klp_mutex);
return ret;
void klp_module_going(struct module *mod)
{
- struct klp_patch *patch;
- struct klp_object *obj;
-
if (WARN_ON(mod->state != MODULE_STATE_GOING &&
mod->state != MODULE_STATE_COMING))
return;
*/
mod->klp_alive = false;
- list_for_each_entry(patch, &klp_patches, list) {
- klp_for_each_object(patch, obj) {
- if (!klp_is_module(obj) || strcmp(obj->name, mod->name))
- continue;
-
- /*
- * Only unpatch the module if the patch is enabled or
- * is in transition.
- */
- if (patch->enabled || patch == klp_transition_patch) {
- pr_notice("reverting patch '%s' on unloading module '%s'\n",
- patch->mod->name, obj->mod->name);
- klp_unpatch_object(obj);
- }
-
- klp_free_object_loaded(obj);
- break;
- }
- }
+ klp_cleanup_module_patches_limited(mod, NULL);
mutex_unlock(&klp_mutex);
}
return 0;
}
-void __get_seccomp_filter(struct seccomp_filter *filter)
+static void __get_seccomp_filter(struct seccomp_filter *filter)
{
/* Reference count is bounded by the number of total processes. */
refcount_inc(&filter->usage);
static int __net_init broute_net_init(struct net *net)
{
- net->xt.broute_table = ebt_register_table(net, &broute_table, NULL);
- return PTR_ERR_OR_ZERO(net->xt.broute_table);
+ return ebt_register_table(net, &broute_table, NULL,
+ &net->xt.broute_table);
}
static void __net_exit broute_net_exit(struct net *net)
static int __net_init frame_filter_net_init(struct net *net)
{
- net->xt.frame_filter = ebt_register_table(net, &frame_filter, ebt_ops_filter);
- return PTR_ERR_OR_ZERO(net->xt.frame_filter);
+ return ebt_register_table(net, &frame_filter, ebt_ops_filter,
+ &net->xt.frame_filter);
}
static void __net_exit frame_filter_net_exit(struct net *net)
static int __net_init frame_nat_net_init(struct net *net)
{
- net->xt.frame_nat = ebt_register_table(net, &frame_nat, ebt_ops_nat);
- return PTR_ERR_OR_ZERO(net->xt.frame_nat);
+ return ebt_register_table(net, &frame_nat, ebt_ops_nat,
+ &net->xt.frame_nat);
}
static void __net_exit frame_nat_net_exit(struct net *net)
kfree(table);
}
-struct ebt_table *
-ebt_register_table(struct net *net, const struct ebt_table *input_table,
- const struct nf_hook_ops *ops)
+int ebt_register_table(struct net *net, const struct ebt_table *input_table,
+ const struct nf_hook_ops *ops, struct ebt_table **res)
{
struct ebt_table_info *newinfo;
struct ebt_table *t, *table;
repl->entries == NULL || repl->entries_size == 0 ||
repl->counters != NULL || input_table->private != NULL) {
BUGPRINT("Bad table data for ebt_register_table!!!\n");
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
/* Don't add one table to multiple lists. */
list_add(&table->list, &net->xt.tables[NFPROTO_BRIDGE]);
mutex_unlock(&ebt_mutex);
+ WRITE_ONCE(*res, table);
+
if (!ops)
- return table;
+ return 0;
ret = nf_register_net_hooks(net, ops, hweight32(table->valid_hooks));
if (ret) {
__ebt_unregister_table(net, table);
- return ERR_PTR(ret);
+ *res = NULL;
}
- return table;
+ return ret;
free_unlock:
mutex_unlock(&ebt_mutex);
free_chainstack:
free_table:
kfree(table);
out:
- return ERR_PTR(ret);
+ return ret;
}
void ebt_unregister_table(struct net *net, struct ebt_table *table,
greh = (struct gre_base_hdr *)skb_transport_header(skb);
pcsum = (__sum16 *)(greh + 1);
- if (gso_partial) {
+ if (gso_partial && skb_is_gso(skb)) {
unsigned int partial_adj;
/* Adjust checksum to account for the fact that
if (synproxy == NULL)
return NF_ACCEPT;
- if (nf_is_loopback_packet(skb))
+ if (nf_is_loopback_packet(skb) ||
+ ip_hdr(skb)->protocol != IPPROTO_TCP)
return NF_ACCEPT;
thoff = ip_hdrlen(skb);
struct rtable *ort = (struct rtable *) dst_orig;
struct rtable *rt;
- rt = dst_alloc(&ipv4_dst_blackhole_ops, NULL, 1, DST_OBSOLETE_NONE, 0);
+ rt = dst_alloc(&ipv4_dst_blackhole_ops, NULL, 1, DST_OBSOLETE_DEAD, 0);
if (rt) {
struct dst_entry *new = &rt->dst;
iph = ip_hdr(skb);
uh = udp_hdr(skb);
- if (skb->pkt_type == PACKET_BROADCAST ||
- skb->pkt_type == PACKET_MULTICAST) {
+ if (skb->pkt_type == PACKET_MULTICAST) {
in_dev = __in_dev_get_rcu(skb->dev);
if (!in_dev)
return 0;
- /* we are supposed to accept bcast packets */
- if (skb->pkt_type == PACKET_MULTICAST) {
- ours = ip_check_mc_rcu(in_dev, iph->daddr, iph->saddr,
- iph->protocol);
- if (!ours)
- return 0;
- }
+ ours = ip_check_mc_rcu(in_dev, iph->daddr, iph->saddr,
+ iph->protocol);
+ if (!ours)
+ return 0;
sk = __udp4_lib_mcast_demux_lookup(net, uh->dest, iph->daddr,
uh->source, iph->saddr,
* will be using a length value equal to only one MSS sized
* segment instead of the entire frame.
*/
- if (gso_partial) {
+ if (gso_partial && skb_is_gso(skb)) {
uh->len = htons(skb_shinfo(skb)->gso_size +
SKB_GSO_CB(skb)->data_offset +
skb->head - (unsigned char *)uh);
goto out;
if (dev->flags&(IFF_NOARP|IFF_LOOPBACK) ||
- dev_net(dev)->ipv6.devconf_all->accept_dad < 1 ||
- idev->cnf.accept_dad < 1 ||
+ (dev_net(dev)->ipv6.devconf_all->accept_dad < 1 &&
+ idev->cnf.accept_dad < 1) ||
!(ifp->flags&IFA_F_TENTATIVE) ||
ifp->flags & IFA_F_NODAD) {
bump_id = ifp->flags & IFA_F_TENTATIVE;
for (skb = segs; skb; skb = skb->next) {
ipv6h = (struct ipv6hdr *)(skb_mac_header(skb) + nhoff);
- if (gso_partial)
+ if (gso_partial && skb_is_gso(skb))
payload_len = skb_shinfo(skb)->gso_size +
SKB_GSO_CB(skb)->data_offset +
skb->head - (unsigned char *)(ipv6h + 1);
nexthdr = ipv6_hdr(skb)->nexthdr;
thoff = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &nexthdr,
&frag_off);
- if (thoff < 0)
+ if (thoff < 0 || nexthdr != IPPROTO_TCP)
return NF_ACCEPT;
th = skb_header_pointer(skb, thoff, sizeof(_th), &_th);
struct dst_entry *new = NULL;
rt = dst_alloc(&ip6_dst_blackhole_ops, loopback_dev, 1,
- DST_OBSOLETE_NONE, 0);
+ DST_OBSOLETE_DEAD, 0);
if (rt) {
rt6_info_init(rt);
from->family == to->family))
return -IPSET_ERR_TYPE_MISMATCH;
- if (from->ref_netlink || to->ref_netlink)
+ write_lock_bh(&ip_set_ref_lock);
+
+ if (from->ref_netlink || to->ref_netlink) {
+ write_unlock_bh(&ip_set_ref_lock);
return -EBUSY;
+ }
strncpy(from_name, from->name, IPSET_MAXNAMELEN);
strncpy(from->name, to->name, IPSET_MAXNAMELEN);
strncpy(to->name, from_name, IPSET_MAXNAMELEN);
- write_lock_bh(&ip_set_ref_lock);
swap(from->ref, to->ref);
ip_set(inst, from_id) = to;
ip_set(inst, to_id) = from;
static int __init
ip_set_init(void)
{
- int ret = nfnetlink_subsys_register(&ip_set_netlink_subsys);
+ int ret = register_pernet_subsys(&ip_set_net_ops);
+
+ if (ret) {
+ pr_err("ip_set: cannot register pernet_subsys.\n");
+ return ret;
+ }
+ ret = nfnetlink_subsys_register(&ip_set_netlink_subsys);
if (ret != 0) {
pr_err("ip_set: cannot register with nfnetlink.\n");
+ unregister_pernet_subsys(&ip_set_net_ops);
return ret;
}
+
ret = nf_register_sockopt(&so_set);
if (ret != 0) {
pr_err("SO_SET registry failed: %d\n", ret);
nfnetlink_subsys_unregister(&ip_set_netlink_subsys);
+ unregister_pernet_subsys(&ip_set_net_ops);
return ret;
}
- ret = register_pernet_subsys(&ip_set_net_ops);
- if (ret) {
- pr_err("ip_set: cannot register pernet_subsys.\n");
- nf_unregister_sockopt(&so_set);
- nfnetlink_subsys_unregister(&ip_set_netlink_subsys);
- return ret;
- }
+
pr_info("ip_set: protocol %u\n", IPSET_PROTOCOL);
return 0;
}
static void __exit
ip_set_fini(void)
{
- unregister_pernet_subsys(&ip_set_net_ops);
nf_unregister_sockopt(&so_set);
nfnetlink_subsys_unregister(&ip_set_netlink_subsys);
+
+ unregister_pernet_subsys(&ip_set_net_ops);
pr_debug("these are the famous last words\n");
}
return ret;
ip &= ip_set_hostmask(h->netmask);
+ e.ip = htonl(ip);
+ if (e.ip == 0)
+ return -IPSET_ERR_HASH_ELEM;
- if (adt == IPSET_TEST) {
- e.ip = htonl(ip);
- if (e.ip == 0)
- return -IPSET_ERR_HASH_ELEM;
+ if (adt == IPSET_TEST)
return adtfn(set, &e, &ext, &ext, flags);
- }
ip_to = ip;
if (tb[IPSET_ATTR_IP_TO]) {
hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1);
- if (retried)
+ if (retried) {
ip = ntohl(h->next.ip);
- for (; !before(ip_to, ip); ip += hosts) {
e.ip = htonl(ip);
- if (e.ip == 0)
- return -IPSET_ERR_HASH_ELEM;
+ }
+ for (; ip <= ip_to;) {
ret = adtfn(set, &e, &ext, &ext, flags);
-
if (ret && !ip_set_eexist(ret, flags))
return ret;
+ ip += hosts;
+ e.ip = htonl(ip);
+ if (e.ip == 0)
+ return 0;
+
ret = 0;
}
return ret;
if (retried)
ip = ntohl(h->next.ip);
- for (; !before(ip_to, ip); ip++) {
+ for (; ip <= ip_to; ip++) {
e.ip = htonl(ip);
ret = adtfn(set, &e, &ext, &ext, flags);
if (retried)
ip = ntohl(h->next.ip);
- for (; !before(ip_to, ip); ip++) {
+ for (; ip <= ip_to; ip++) {
p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port)
: port;
for (; p <= port_to; p++) {
if (retried)
ip = ntohl(h->next.ip);
- for (; !before(ip_to, ip); ip++) {
+ for (; ip <= ip_to; ip++) {
p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port)
: port;
for (; p <= port_to; p++) {
if (retried)
ip = ntohl(h->next.ip);
- for (; !before(ip_to, ip); ip++) {
+ for (; ip <= ip_to; ip++) {
e.ip = htonl(ip);
p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port)
: port;
ip == ntohl(h->next.ip) &&
p == ntohs(h->next.port)
? ntohl(h->next.ip2) : ip2_from;
- while (!after(ip2, ip2_to)) {
+ while (ip2 <= ip2_to) {
e.ip2 = htonl(ip2);
ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
&cidr);
}
if (retried)
ip = ntohl(h->next.ip);
- while (!after(ip, ip_to)) {
+ while (ip <= ip_to) {
e.ip = htonl(ip);
last = ip_set_range_to_cidr(ip, ip_to, &e.cidr);
ret = adtfn(set, &e, &ext, &ext, flags);
if (retried)
ip = ntohl(h->next.ip);
- while (!after(ip, ip_to)) {
+ while (ip <= ip_to) {
e.ip = htonl(ip);
last = ip_set_range_to_cidr(ip, ip_to, &e.cidr);
ret = adtfn(set, &e, &ext, &ext, flags);
if (retried)
ip = ntohl(h->next.ip[0]);
- while (!after(ip, ip_to)) {
+ while (ip <= ip_to) {
e.ip[0] = htonl(ip);
last = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
ip2 = (retried &&
ip == ntohl(h->next.ip[0])) ? ntohl(h->next.ip[1])
: ip2_from;
- while (!after(ip2, ip2_to)) {
+ while (ip2 <= ip2_to) {
e.ip[1] = htonl(ip2);
last2 = ip_set_range_to_cidr(ip2, ip2_to, &e.cidr[1]);
ret = adtfn(set, &e, &ext, &ext, flags);
if (retried)
ip = ntohl(h->next.ip);
- while (!after(ip, ip_to)) {
+ while (ip <= ip_to) {
e.ip = htonl(ip);
last = ip_set_range_to_cidr(ip, ip_to, &cidr);
e.cidr = cidr - 1;
if (retried)
ip = ntohl(h->next.ip[0]);
- while (!after(ip, ip_to)) {
+ while (ip <= ip_to) {
e.ip[0] = htonl(ip);
ip_last = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port)
ip2 = (retried && ip == ntohl(h->next.ip[0]) &&
p == ntohs(h->next.port)) ? ntohl(h->next.ip[1])
: ip2_from;
- while (!after(ip2, ip2_to)) {
+ while (ip2 <= ip2_to) {
e.ip[1] = htonl(ip2);
ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
&e.cidr[1]);
{
struct sk_buff *new_skb = NULL;
struct iphdr *old_iph = NULL;
+ __u8 old_dsfield;
#ifdef CONFIG_IP_VS_IPV6
struct ipv6hdr *old_ipv6h = NULL;
#endif
*payload_len =
ntohs(old_ipv6h->payload_len) +
sizeof(*old_ipv6h);
- *dsfield = ipv6_get_dsfield(old_ipv6h);
+ old_dsfield = ipv6_get_dsfield(old_ipv6h);
*ttl = old_ipv6h->hop_limit;
if (df)
*df = 0;
/* fix old IP header checksum */
ip_send_check(old_iph);
- *dsfield = ipv4_get_dsfield(old_iph);
+ old_dsfield = ipv4_get_dsfield(old_iph);
*ttl = old_iph->ttl;
if (payload_len)
*payload_len = ntohs(old_iph->tot_len);
}
+ /* Implement full-functionality option for ECN encapsulation */
+ *dsfield = INET_ECN_encapsulate(old_dsfield, old_dsfield);
+
return skb;
error:
kfree_skb(skb);
if (nla_put_string(skb, NFTA_CHAIN_TYPE, basechain->type->name))
goto nla_put_failure;
- if (nft_dump_stats(skb, nft_base_chain(chain)->stats))
+ if (basechain->stats && nft_dump_stats(skb, basechain->stats))
goto nla_put_failure;
}
chain2 = nf_tables_chain_lookup(table, nla[NFTA_CHAIN_NAME],
genmask);
- if (IS_ERR(chain2))
- return PTR_ERR(chain2);
+ if (!IS_ERR(chain2))
+ return -EEXIST;
}
if (nla[NFTA_CHAIN_COUNTERS]) {
list_for_each_entry(i, &ctx->table->sets, list) {
if (!nft_is_active_next(ctx->net, i))
continue;
- if (!strcmp(set->name, i->name))
+ if (!strcmp(set->name, i->name)) {
+ kfree(set->name);
return -ENFILE;
+ }
}
return 0;
}
if (copy_from_user(&compat_tmp, user, sizeof(compat_tmp)) != 0)
return ERR_PTR(-EFAULT);
- strlcpy(info->name, compat_tmp.name, sizeof(info->name));
+ memcpy(info->name, compat_tmp.name, sizeof(info->name) - 1);
info->num_counters = compat_tmp.num_counters;
user += sizeof(compat_tmp);
} else
if (copy_from_user(info, user, sizeof(*info)) != 0)
return ERR_PTR(-EFAULT);
- info->name[sizeof(info->name) - 1] = '\0';
user += sizeof(*info);
}
+ info->name[sizeof(info->name) - 1] = '\0';
size = sizeof(struct xt_counters);
size *= info->num_counters;
*/
#include <linux/module.h>
+#include <linux/syscalls.h>
#include <linux/skbuff.h>
#include <linux/filter.h>
#include <linux/bpf.h>
return 0;
}
+static int __bpf_mt_check_path(const char *path, struct bpf_prog **ret)
+{
+ mm_segment_t oldfs = get_fs();
+ int retval, fd;
+
+ set_fs(KERNEL_DS);
+ fd = bpf_obj_get_user(path);
+ set_fs(oldfs);
+ if (fd < 0)
+ return fd;
+
+ retval = __bpf_mt_check_fd(fd, ret);
+ sys_close(fd);
+ return retval;
+}
+
static int bpf_mt_check(const struct xt_mtchk_param *par)
{
struct xt_bpf_info *info = par->matchinfo;
return __bpf_mt_check_bytecode(info->bpf_program,
info->bpf_program_num_elem,
&info->filter);
- else if (info->mode == XT_BPF_MODE_FD_PINNED ||
- info->mode == XT_BPF_MODE_FD_ELF)
+ else if (info->mode == XT_BPF_MODE_FD_ELF)
return __bpf_mt_check_fd(info->fd, &info->filter);
+ else if (info->mode == XT_BPF_MODE_PATH_PINNED)
+ return __bpf_mt_check_path(info->path, &info->filter);
else
return -EINVAL;
}
transparent = nf_sk_is_transparent(sk);
if (info->flags & XT_SOCKET_RESTORESKMARK && !wildcard &&
- transparent)
+ transparent && sk_fullsock(sk))
pskb->mark = sk->sk_mark;
if (sk != skb->sk)
transparent = nf_sk_is_transparent(sk);
if (info->flags & XT_SOCKET_RESTORESKMARK && !wildcard &&
- transparent)
+ transparent && sk_fullsock(sk))
pskb->mark = sk->sk_mark;
if (sk != skb->sk)
cb->min_dump_alloc = control->min_dump_alloc;
cb->skb = skb;
+ if (cb->start) {
+ ret = cb->start(cb);
+ if (ret)
+ goto error_unlock;
+ }
+
nlk->cb_running = true;
mutex_unlock(nlk->cb_mutex);
- ret = 0;
- if (cb->start)
- ret = cb->start(cb);
-
- if (!ret)
- ret = netlink_dump(sk);
+ ret = netlink_dump(sk);
sock_put(sk);
struct sock_xprt *transport =
container_of(work, struct sock_xprt, connect_worker.work);
struct rpc_xprt *xprt = &transport->xprt;
- struct socket *sock = transport->sock;
+ struct socket *sock;
int status = -EIO;
sock = xs_create_sock(xprt, transport,
struct sk_buff_head xmitq;
int rc = 0;
- __skb_queue_head_init(&xmitq);
+ skb_queue_head_init(&xmitq);
tipc_bcast_lock(net);
if (tipc_link_bc_peers(l))
rc = tipc_link_xmit(l, pkts, &xmitq);
u32 dst, selector;
selector = msg_link_selector(buf_msg(skb_peek(pkts)));
- __skb_queue_head_init(&_pkts);
+ skb_queue_head_init(&_pkts);
list_for_each_entry_safe(n, tmp, &dests->list, list) {
dst = n->value;
msg_set_destnode(msg, dnode);
msg_set_destport(msg, dport);
*err = TIPC_OK;
+
+ if (!skb_cloned(skb))
+ return true;
+
+ /* Unclone buffer in case it was bundled */
+ if (pskb_expand_head(skb, BUF_HEADROOM, BUF_TAILROOM, GFP_ATOMIC))
+ return false;
+
return true;
}
[NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED },
};
+/* policy for packet pattern attributes */
+static const struct nla_policy
+nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
+ [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
+ [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
+ [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
+};
+
static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
struct netlink_callback *cb,
struct cfg80211_registered_device **rdev,
u8 *mask_pat;
nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
- NULL, info->extack);
+ nl80211_packet_pattern_policy,
+ info->extack);
err = -EINVAL;
if (!pat_tb[NL80211_PKTPAT_MASK] ||
!pat_tb[NL80211_PKTPAT_PATTERN])
rem) {
u8 *mask_pat;
- nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL, NULL);
+ nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
+ nl80211_packet_pattern_policy, NULL);
if (!pat_tb[NL80211_PKTPAT_MASK] ||
!pat_tb[NL80211_PKTPAT_PATTERN])
return -EINVAL;
}
if (!dev->xfrmdev_ops || !dev->xfrmdev_ops->xdo_dev_state_add) {
+ xso->dev = NULL;
dev_put(dev);
return 0;
}
nf_reset(skb);
if (decaps) {
- skb->sp->olen = 0;
+ if (skb->sp)
+ skb->sp->olen = 0;
skb_dst_drop(skb);
gro_cells_receive(&gro_cells, skb);
return 0;
err = x->inner_mode->afinfo->transport_finish(skb, xfrm_gro || async);
if (xfrm_gro) {
- skb->sp->olen = 0;
+ if (skb->sp)
+ skb->sp->olen = 0;
skb_dst_drop(skb);
gro_cells_receive(&gro_cells, skb);
return err;
}
}
}
+out:
+ spin_unlock_bh(&net->xfrm.xfrm_state_lock);
if (cnt) {
err = 0;
xfrm_policy_cache_flush();
}
-out:
- spin_unlock_bh(&net->xfrm.xfrm_state_lock);
return err;
}
EXPORT_SYMBOL(xfrm_state_flush);
if (err < 0) {
x->km.state = XFRM_STATE_DEAD;
+ xfrm_dev_state_delete(x);
__xfrm_state_put(x);
goto out;
}
# Go through each of the object's symbols which match the func name.
# In rare cases there might be duplicates.
+ file_end=$(size -Ax $objfile | awk '$1 == ".text" {print $2}')
while read symbol; do
local fields=($symbol)
local sym_base=0x${fields[0]}
local sym_type=${fields[1]}
- local sym_end=0x${fields[3]}
+ local sym_end=${fields[3]}
# calculate the size
local sym_size=$(($sym_end - $sym_base))
addr2line -fpie $objfile $addr | sed "s; $dir_prefix\(\./\)*; ;"
DONE=1
- done < <(nm -n $objfile | awk -v fn=$func '$3 == fn { found=1; line=$0; start=$1; next } found == 1 { found=0; print line, $1 }')
+ done < <(nm -n $objfile | awk -v fn=$func -v end=$file_end '$3 == fn { found=1; line=$0; start=$1; next } found == 1 { found=0; print line, "0x"$1 } END {if (found == 1) print line, end; }')
}
[[ $# -lt 2 ]] && usage
struct snd_seq_port_info *info = arg;
struct snd_seq_client_port *port;
struct snd_seq_port_callback *callback;
+ int port_idx;
/* it is not allowed to create the port for an another client */
if (info->addr.client != client->number)
return -ENOMEM;
if (client->type == USER_CLIENT && info->kernel) {
- snd_seq_delete_port(client, port->addr.port);
+ port_idx = port->addr.port;
+ snd_seq_port_unlock(port);
+ snd_seq_delete_port(client, port_idx);
return -EINVAL;
}
if (client->type == KERNEL_CLIENT) {
snd_seq_set_port_info(port, info);
snd_seq_system_client_ev_port_start(port->addr.client, port->addr.port);
+ snd_seq_port_unlock(port);
return 0;
}
}
-/* create a port, port number is returned (-1 on failure) */
+/* create a port, port number is returned (-1 on failure);
+ * the caller needs to unref the port via snd_seq_port_unlock() appropriately
+ */
struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
int port)
{
snd_use_lock_init(&new_port->use_lock);
port_subs_info_init(&new_port->c_src);
port_subs_info_init(&new_port->c_dest);
+ snd_use_lock_use(&new_port->use_lock);
num = port >= 0 ? port : 0;
mutex_lock(&client->ports_mutex);
list_add_tail(&new_port->list, &p->list);
client->num_ports++;
new_port->addr.port = num; /* store the port number in the port */
+ sprintf(new_port->name, "port-%d", num);
write_unlock_irqrestore(&client->ports_lock, flags);
mutex_unlock(&client->ports_mutex);
- sprintf(new_port->name, "port-%d", num);
return new_port;
}
* decode input event and put to read buffer of each opened file
*/
static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
- struct snd_seq_event *ev)
+ struct snd_seq_event *ev,
+ bool atomic)
{
struct snd_virmidi *vmidi;
unsigned char msg[4];
int len;
- read_lock(&rdev->filelist_lock);
+ if (atomic)
+ read_lock(&rdev->filelist_lock);
+ else
+ down_read(&rdev->filelist_sem);
list_for_each_entry(vmidi, &rdev->filelist, list) {
if (!vmidi->trigger)
continue;
snd_rawmidi_receive(vmidi->substream, msg, len);
}
}
- read_unlock(&rdev->filelist_lock);
+ if (atomic)
+ read_unlock(&rdev->filelist_lock);
+ else
+ up_read(&rdev->filelist_sem);
return 0;
}
struct snd_virmidi_dev *rdev;
rdev = rmidi->private_data;
- return snd_virmidi_dev_receive_event(rdev, ev);
+ return snd_virmidi_dev_receive_event(rdev, ev, true);
}
#endif /* 0 */
rdev = private_data;
if (!(rdev->flags & SNDRV_VIRMIDI_USE))
return 0; /* ignored */
- return snd_virmidi_dev_receive_event(rdev, ev);
+ return snd_virmidi_dev_receive_event(rdev, ev, atomic);
}
/*
struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
struct snd_rawmidi_runtime *runtime = substream->runtime;
struct snd_virmidi *vmidi;
- unsigned long flags;
vmidi = kzalloc(sizeof(*vmidi), GFP_KERNEL);
if (vmidi == NULL)
vmidi->client = rdev->client;
vmidi->port = rdev->port;
runtime->private_data = vmidi;
- write_lock_irqsave(&rdev->filelist_lock, flags);
+ down_write(&rdev->filelist_sem);
+ write_lock_irq(&rdev->filelist_lock);
list_add_tail(&vmidi->list, &rdev->filelist);
- write_unlock_irqrestore(&rdev->filelist_lock, flags);
+ write_unlock_irq(&rdev->filelist_lock);
+ up_write(&rdev->filelist_sem);
vmidi->rdev = rdev;
return 0;
}
struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
struct snd_virmidi *vmidi = substream->runtime->private_data;
+ down_write(&rdev->filelist_sem);
write_lock_irq(&rdev->filelist_lock);
list_del(&vmidi->list);
write_unlock_irq(&rdev->filelist_lock);
+ up_write(&rdev->filelist_sem);
snd_midi_event_free(vmidi->parser);
substream->runtime->private_data = NULL;
kfree(vmidi);
rdev->rmidi = rmidi;
rdev->device = device;
rdev->client = -1;
+ init_rwsem(&rdev->filelist_sem);
rwlock_init(&rdev->filelist_lock);
INIT_LIST_HEAD(&rdev->filelist);
rdev->seq_mode = SNDRV_VIRMIDI_SEQ_DISPATCH;
err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
if (err)
- return err;
+ goto err_kill_urb;
- if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ))
- return -ENODEV;
+ if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ)) {
+ err = -ENODEV;
+ goto err_kill_urb;
+ }
usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
cdev->vendor_name, CAIAQ_USB_STR_LEN);
setup_card(cdev);
return 0;
+
+ err_kill_urb:
+ usb_kill_urb(&cdev->ep1_in_urb);
+ return err;
}
static int snd_probe(struct usb_interface *intf,
return 0;
error:
- if (line6->disconnect)
- line6->disconnect(line6);
- snd_card_free(card);
+ /* we can call disconnect callback here because no close-sync is
+ * needed yet at this point
+ */
+ line6_disconnect(interface);
return ret;
}
EXPORT_SYMBOL_GPL(line6_probe);
intf = usb_ifnum_to_if(line6->usbdev,
pod->line6.properties->ctrl_if);
- usb_driver_release_interface(&podhd_driver, intf);
+ if (intf)
+ usb_driver_release_interface(&podhd_driver, intf);
}
}
line6->disconnect = podhd_disconnect;
+ init_timer(&pod->startup_timer);
+ INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
+
if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
/* claim the data interface */
intf = usb_ifnum_to_if(line6->usbdev,
}
/* init device and delay registering */
- init_timer(&pod->startup_timer);
- INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
podhd_startup(pod);
return 0;
}
static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)
{
+ /* kill pending URBs */
+ snd_usb_mixer_disconnect(mixer);
+
kfree(mixer->id_elems);
if (mixer->urb) {
kfree(mixer->urb->transfer_buffer);
void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer)
{
- usb_kill_urb(mixer->urb);
- usb_kill_urb(mixer->rc_urb);
+ if (mixer->disconnected)
+ return;
+ if (mixer->urb)
+ usb_kill_urb(mixer->urb);
+ if (mixer->rc_urb)
+ usb_kill_urb(mixer->rc_urb);
+ mixer->disconnected = true;
}
#ifdef CONFIG_PM
struct urb *rc_urb;
struct usb_ctrlrequest *rc_setup_packet;
u8 rc_buffer[6];
+
+ bool disconnected;
};
#define MAX_CHANNELS 16 /* max logical channels */
case USB_ID(0x047F, 0x0415): /* Plantronics BT-300 */
case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */
case USB_ID(0x047F, 0xC022): /* Plantronics C310 */
+ case USB_ID(0x047F, 0xC02F): /* Plantronics P610 */
case USB_ID(0x047F, 0xC036): /* Plantronics C520-M */
case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
include ../lib.mk
override define RUN_TESTS
- $(OUTPUT)/mq_open_tests /test1 || echo "selftests: mq_open_tests [FAIL]"
- $(OUTPUT)//mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]"
+ @$(OUTPUT)/mq_open_tests /test1 || echo "selftests: mq_open_tests [FAIL]"
+ @$(OUTPUT)/mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]"
endef
override define EMIT_TESTS
return 0;
case 'n':
t = atoi(optarg);
- if (t > ARRAY_SIZE(test_cases))
+ if (t >= ARRAY_SIZE(test_cases))
error(1, 0, "Invalid test case: %d", t);
all_tests = false;
test_cases[t].enabled = true;
BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
-CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
+CFLAGS := -O2 -g -std=gnu99 -pthread -Wall -no-pie
UNAME_M := $(shell uname -m)
CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
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