[PATCH 07/10] drm/msm: fix missing wq allocation error handling

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 --- 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 41cc6cd690cd..ac3b77dbfacc 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -432,6 +432,10 @@ 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);