From: Johan Hovold <johan+linaro@xxxxxxxxxx> commit ca090c837b430752038b24e56dd182010d77f6f6 upstream. 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: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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);