This fix the following warning: drivers/media/video/v4l2-compat-ioctl32.c: In function âget_microcode32â: drivers/media/video/v4l2-compat-ioctl32.c:209: warning: ignoring return value of âcopy_to_userâ, declared with attribute warn_unused_result Signed-off-by: Thiago Farina <tfransosi@xxxxxxxxx> --- drivers/media/video/v4l2-compat-ioctl32.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c index e30e8df..55825ec 100644 --- a/drivers/media/video/v4l2-compat-ioctl32.c +++ b/drivers/media/video/v4l2-compat-ioctl32.c @@ -206,7 +206,9 @@ static struct video_code __user *get_microcode32(struct video_code32 *kp) * user address is invalid, the native ioctl will do * the error handling for us */ - (void) copy_to_user(up->loadwhat, kp->loadwhat, sizeof(up->loadwhat)); + if (copy_to_user(up->loadwhat, kp->loadwhat, sizeof(up->loadwhat))) + return NULL; + (void) put_user(kp->datasize, &up->datasize); (void) put_user(compat_ptr(kp->data), &up->data); return up; -- 1.7.3.2.343.g7d43d -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html