diff options
Diffstat (limited to 'arch/arm/kernel/signal.c')
| -rw-r--r-- | arch/arm/kernel/signal.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index a592bc0287f8..f78813cbf3a4 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -107,21 +107,19 @@ static int preserve_vfp_context(struct vfp_sigframe __user *frame) return vfp_preserve_user_clear_hwstate(&frame->ufp, &frame->ufp_exc); } -static int restore_vfp_context(struct vfp_sigframe __user *frame) +static int restore_vfp_context(struct vfp_sigframe __user *auxp) { - unsigned long magic; - unsigned long size; - int err = 0; - - __get_user_error(magic, &frame->magic, err); - __get_user_error(size, &frame->size, err); + struct vfp_sigframe frame; + int err; + err = __copy_from_user(&frame, auxp, sizeof(frame)); if (err) - return -EFAULT; - if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE) + return err; + + if (frame.magic != VFP_MAGIC || frame.size != VFP_STORAGE_SIZE) return -EINVAL; - return vfp_restore_user_hwstate(&frame->ufp, &frame->ufp_exc); + return vfp_restore_user_hwstate(&frame.ufp, &frame.ufp_exc); } #endif |