From: Johan Hovold johan+linaro@kernel.org
[ Upstream commit ca090c837b430752038b24e56dd182010d77f6f6 ]
Add the missing sanity check to handle workqueue allocation failures.
Fixes: c8afe684c95c ("drm/msm: basic KMS driver for snapdragon") Cc: stable@vger.kernel.org # 3.12 Cc: Rob Clark robdclark@gmail.com Signed-off-by: Johan Hovold johan+linaro@kernel.org Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Patchwork: https://patchwork.freedesktop.org/patch/525102/ Link: https://lore.kernel.org/r/20230306100722.28485-8-johan+linaro@kernel.org Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/msm/msm_drv.c | 4 ++++ 1 file changed, 4 insertions(+)
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);