Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 bugfixes from Martin Schwidefsky:
 "Two critical bug fixes for the signal handling"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/fpu: signals vs. floating point control register
  s390/compat: correct restore of high gprs on signal return

diff --git a/arch/s390/include/asm/fpu/internal.h b/arch/s390/include/asm/fpu/internal.h
index ea91ddf..629c908 100644 (file)
--- a/arch/s390/include/asm/fpu/internal.h
+++ b/arch/s390/include/asm/fpu/internal.h
@@ -40,6 +40,7 @@ static inline void convert_fp_to_vx(__vector128 *vxrs, freg_t *fprs)
 static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu)
 {
        fpregs->pad = 0;
+       fpregs->fpc = fpu->fpc;
        if (MACHINE_HAS_VX)
                convert_vx_to_fp((freg_t *)&fpregs->fprs, fpu->vxrs);
        else
@@ -49,6 +50,7 @@ static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu)
 
 static inline void fpregs_load(_s390_fp_regs *fpregs, struct fpu *fpu)
 {
+       fpu->fpc = fpregs->fpc;
        if (MACHINE_HAS_VX)
                convert_fp_to_vx(fpu->vxrs, (freg_t *)&fpregs->fprs);
        else

diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 66c9441..4af6037 100644 (file)
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -271,7 +271,7 @@ static int restore_sigregs_ext32(struct pt_regs *regs,
 
        /* Restore high gprs from signal stack */
        if (__copy_from_user(&gprs_high, &sregs_ext->gprs_high,
-                            sizeof(&sregs_ext->gprs_high)))
+                            sizeof(sregs_ext->gprs_high)))
                return -EFAULT;
        for (i = 0; i < NUM_GPRS; i++)
                *(__u32 *)&regs->gprs[i] = gprs_high[i];