In v4l2-compliance utility, test QUERYBUF required correct length value to go through each planar to check planar's length in multi-planar Signed-off-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx> --- drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c index 327e83a..5ba932a 100644 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -521,6 +521,9 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user if (num_planes == 0) return 0; + if (put_user(kp->length, &up->length)) + return -EFAULT; + uplane = (__force struct v4l2_plane __user *)kp->m.planes; if (get_user(p, &up->m.planes)) return -EFAULT; -- 1.7.9.5 -- 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
