staging: dgnc: dgnc_mgmt.c: Replace non-standard spinlock's macros

This patch replaces non-standard spinlock's macros.
It is done using coccinelle and the following semantic patch:

@@
expression x;
@@

- DGNC_SPINLOCK_INIT(x)
+ spin_lock_init(&x)

@@
expression x, y;
@@

- DGNC_LOCK(x, y)
+ spin_lock_irqsave(&x, y)

@@
expression x, y;
@@

- DGNC_UNLOCK(x, y)
+ spin_unlock_irqrestore(&x, y)

@used_by_lock exists@
typedef ulong;
symbol lock_flags;
position p1, p2;
@@

(
 ulong lock_flags@p1;
|
 unsigned long lock_flags@p2;
)
...
(
 spin_lock_irqsave(..., lock_flags)
|
 spin_unlock_irqrestore(..., lock_flags)
)

@@
position used_by_lock.p1, used_by_lock.p2;
@@

(
- ulong lock_flags@p1;
+ unsigned long flags;
|
- unsigned long lock_flags@p2;
+ unsigned long flags;
)
<...
- lock_flags
+ flags
...>

Signed-off-by: Roberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgnc/dgnc_mgmt.c b/drivers/staging/dgnc/dgnc_mgmt.c
index 31e9f45..9e45b85 100644 (file)
--- a/drivers/staging/dgnc/dgnc_mgmt.c
+++ b/drivers/staging/dgnc/dgnc_mgmt.c
@@ -62,25 +62,25 @@ static int dgnc_mgmt_in_use[MAXMGMTDEVICES];
  */
 int dgnc_mgmt_open(struct inode *inode, struct file *file)
 {
-       unsigned long lock_flags;
+       unsigned long flags;
        unsigned int minor = iminor(inode);
 
-       DGNC_LOCK(dgnc_global_lock, lock_flags);
+       spin_lock_irqsave(&dgnc_global_lock, flags);
 
        /* mgmt device */
        if (minor < MAXMGMTDEVICES) {
                /* Only allow 1 open at a time on mgmt device */
                if (dgnc_mgmt_in_use[minor]) {
-                       DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+                       spin_unlock_irqrestore(&dgnc_global_lock, flags);
                        return -EBUSY;
                }
                dgnc_mgmt_in_use[minor]++;
        } else {
-               DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+               spin_unlock_irqrestore(&dgnc_global_lock, flags);
                return -ENXIO;
        }
 
-       DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+       spin_unlock_irqrestore(&dgnc_global_lock, flags);
 
        return 0;
 }
@@ -93,17 +93,17 @@ int dgnc_mgmt_open(struct inode *inode, struct file *file)
  */
 int dgnc_mgmt_close(struct inode *inode, struct file *file)
 {
-       unsigned long lock_flags;
+       unsigned long flags;
        unsigned int minor = iminor(inode);
 
-       DGNC_LOCK(dgnc_global_lock, lock_flags);
+       spin_lock_irqsave(&dgnc_global_lock, flags);
 
        /* mgmt device */
        if (minor < MAXMGMTDEVICES) {
                if (dgnc_mgmt_in_use[minor])
                        dgnc_mgmt_in_use[minor] = 0;
        }
-       DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+       spin_unlock_irqrestore(&dgnc_global_lock, flags);
 
        return 0;
 }
@@ -117,7 +117,7 @@ int dgnc_mgmt_close(struct inode *inode, struct file *file)
 
 long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-       unsigned long lock_flags;
+       unsigned long flags;
        void __user *uarg = (void __user *) arg;
 
        switch (cmd) {
@@ -131,12 +131,12 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                 */
                struct digi_dinfo ddi;
 
-               DGNC_LOCK(dgnc_global_lock, lock_flags);
+               spin_lock_irqsave(&dgnc_global_lock, flags);
 
                ddi.dinfo_nboards = dgnc_NumBoards;
                sprintf(ddi.dinfo_version, "%s", DG_PART);
 
-               DGNC_UNLOCK(dgnc_global_lock, lock_flags);
+               spin_unlock_irqrestore(&dgnc_global_lock, flags);
 
                if (copy_to_user(uarg, &ddi, sizeof(ddi)))
                        return -EFAULT;
@@ -161,7 +161,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
                di.info_bdnum = brd;
 
-               DGNC_LOCK(dgnc_Board[brd]->bd_lock, lock_flags);
+               spin_lock_irqsave(&dgnc_Board[brd]->bd_lock, flags);
 
                di.info_bdtype = dgnc_Board[brd]->dpatype;
                di.info_bdstate = dgnc_Board[brd]->dpastatus;
@@ -173,7 +173,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                else
                        di.info_nports = 0;
 
-               DGNC_UNLOCK(dgnc_Board[brd]->bd_lock, lock_flags);
+               spin_unlock_irqrestore(&dgnc_Board[brd]->bd_lock, flags);
 
                if (copy_to_user(uarg, &di, sizeof(di)))
                        return -EFAULT;
@@ -212,7 +212,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                ni.board = board;
                ni.channel = channel;
 
-               DGNC_LOCK(ch->ch_lock, lock_flags);
+               spin_lock_irqsave(&ch->ch_lock, flags);
 
                mstat = (ch->ch_mostat | ch->ch_mistat);
 
@@ -266,7 +266,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
                ni.baud = ch->ch_old_baud;
 
-               DGNC_UNLOCK(ch->ch_lock, lock_flags);
+               spin_unlock_irqrestore(&ch->ch_lock, flags);
 
                if (copy_to_user(uarg, &ni, sizeof(ni)))
                        return -EFAULT;