From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit 8d0cb8860a4551fa5998acd67ca6d9ce3015b1e2 ]
If devm_request_mem_region() fails this code currently returns success but it should return -EBUSY.
Fixes: 6076a9711dc5 ("drm/virtio: implement blob resources: probe for host visible region") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Link: http://patchwork.freedesktop.org/patch/msgid/YBpy0GS7GfmafMfe@mwanda Signed-off-by: Gerd Hoffmann kraxel@redhat.com (cherry picked from commit eb988a2ee500d3297a1de048dc3c77b6c354e650) Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/virtio/virtgpu_kms.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index b4ec479c32cda..b375394193be8 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -163,6 +163,7 @@ int virtio_gpu_init(struct drm_device *dev) vgdev->host_visible_region.len, dev_name(&vgdev->vdev->dev))) { DRM_ERROR("Could not reserve host visible region\n"); + ret = -EBUSY; goto err_vqs; }