[PATCH] drm: virtio: fix eno.cocci warnings
From: kbuild test robot
Date: Tue Mar 14 2017 - 08:27:05 EST
drivers/gpu/drm/virtio/virtgpu_vq.c:100:5-11: ERROR: allocation function on line 99 returns NULL not ERR_PTR on failure
The various basic memory allocation functions don't return ERR_PTR
Generated by: scripts/coccinelle/null/eno.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
virtgpu_vq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -97,7 +97,7 @@ virtio_gpu_get_vbuf(struct virtio_gpu_de
struct virtio_gpu_vbuffer *vbuf;
vbuf = kmem_cache_alloc(vgdev->vbufs, GFP_KERNEL);
- if (IS_ERR(vbuf))
+ if (!vbuf)
return ERR_CAST(vbuf);
memset(vbuf, 0, VBUFFER_SIZE);