This is a note to let you know that I've just added the patch titled
drm/msm: fix missing wq allocation error handling
to the 6.1-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-msm-fix-missing-wq-allocation-error-handling.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 511da2dab75151da9e8552f56a638e67c9645cf1
Author: Johan Hovold <johan+linaro@xxxxxxxxxx>
Date: Mon Mar 6 11:07:19 2023 +0100
drm/msm: fix missing wq allocation error handling
[ Upstream commit ca090c837b430752038b24e56dd182010d77f6f6 ]
Add the missing sanity check to handle workqueue allocation failures.
Fixes: c8afe684c95c ("drm/msm: basic KMS driver for snapdragon")
Cc: stable@xxxxxxxxxxxxxxx # 3.12
Cc: Rob Clark <robdclark@xxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Patchwork: https://patchwork.freedesktop.org/patch/525102/
Link: https://lore.kernel.org/r/20230306100722.28485-8-johan+linaro@xxxxxxxxxx
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 5eeb4655fbf17..ac3d1d492a48c 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -433,6 +433,10 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)
priv->dev = ddev;
priv->wq = alloc_ordered_workqueue("msm", 0);
+ if (!priv->wq) {
+ ret = -ENOMEM;
+ goto err_put_dev;
+ }
INIT_LIST_HEAD(&priv->objects);
mutex_init(&priv->obj_lock);
