From: Johan Hovold johan+linaro@kernel.org
commit ca090c837b430752038b24e56dd182010d77f6f6 upstream.
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: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/msm/msm_drv.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -431,6 +431,10 @@ static int msm_drm_init(struct device *d 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);