summaryrefslogtreecommitdiffstats
path: root/drivers/char/drm/drm_irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/drm/drm_irq.c')
-rw-r--r--drivers/char/drm/drm_irq.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c
index ebdb7182c4f..8e484d23e12 100644
--- a/drivers/char/drm/drm_irq.c
+++ b/drivers/char/drm/drm_irq.c
@@ -255,7 +255,8 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
if (!dev->irq)
return -EINVAL;
- DRM_COPY_FROM_USER_IOCTL(vblwait, argp, sizeof(vblwait));
+ if (copy_from_user(&vblwait, argp, sizeof(vblwait)))
+ return -EFAULT;
switch (vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK) {
case _DRM_VBLANK_RELATIVE:
@@ -329,7 +330,8 @@ int drm_wait_vblank(DRM_IOCTL_ARGS)
}
done:
- DRM_COPY_TO_USER_IOCTL(argp, vblwait, sizeof(vblwait));
+ if (copy_to_user(argp, &vblwait, sizeof(vblwait)))
+ return -EFAULT;
return ret;
}