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drm/msm: fix missing wq allocation error handling

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[ Upstream commit ca090c837b430752038b24e56dd182010d77f6f6 ]

Add the missing sanity check to handle workqueue allocation failures.

Fixes: c8afe684c9 ("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>
This commit is contained in:
Johan Hovold 2023-03-06 11:07:19 +01:00 committed by Greg Kroah-Hartman
parent 46062a1c0a
commit c5111be873
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/msm/msm_drv.c
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@ -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);