[PATCH] drm/virtio: remove some redundant code

[Su Hui]

virtio_gpu_get_vbuf always be successful,
so remove the error judgment.

Signed-off-by: Su Hui <su...@nfschina.com>
---
 drivers/gpu/drm/virtio/virtgpu_vq.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c 
b/drivers/gpu/drm/virtio/virtgpu_vq.c
index b1a00c0c25a7..7a2680b3f1a7 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -129,10 +129,6 @@ virtio_gpu_alloc_cursor(struct virtio_gpu_device *vgdev,
        vbuf = virtio_gpu_get_vbuf
                (vgdev, sizeof(struct virtio_gpu_update_cursor),
                 0, NULL, NULL);
-       if (IS_ERR(vbuf)) {
-               *vbuffer_p = NULL;
-               return ERR_CAST(vbuf);
-       }
        *vbuffer_p = vbuf;
        return (struct virtio_gpu_update_cursor *)vbuf->buf;
 }
-- 
2.30.2