From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
[ 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@xxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/YBpy0GS7GfmafMfe@mwanda
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
(cherry picked from commit eb988a2ee500d3297a1de048dc3c77b6c354e650)
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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;
}
--
2.27.0
