This is a note to let you know that I've just added the patch titled drm/virtio: fix an error code in virtio_gpu_init() to the 5.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-virtio-fix-an-error-code-in-virtio_gpu_init.patch and it can be found in the queue-5.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit e7d624925d625f43a2c13278d6eac183f72bf5f8 Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Wed Feb 3 12:54:24 2021 +0300 drm/virtio: fix an error code in virtio_gpu_init() [ 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> 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; }