On Sat, Nov 11, 2023 at 2:43 PM Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> wrote:
The strncpy_from_user() returns number of copied bytes and not zero on
success. The non-zero return value of ioctl is treated as error. Return
zero on success instead of the number of copied bytes.
Fixes: 7add80126bce ("drm/uapi: add explicit virtgpu context debug name")
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
Reviewed-by: Gurchetan Singh <gurchetansingh@xxxxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 1e2042419f95..e4f76f315550 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -665,6 +665,7 @@ static int virtio_gpu_context_init_ioctl(struct drm_device *dev,
goto out_unlock;
vfpriv->explicit_debug_name = true;
+ ret = 0;
break;
default:
ret = -EINVAL;
--
2.41.0
