From: Johan Hovold <johan+linaro@kernel.org>
To: Rob Clark <robdclark@gmail.com>,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
Daniel Vetter <daniel@ffwll.ch>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Johan Hovold <johan+linaro@kernel.org>,
stable@vger.kernel.org
Subject: [PATCH 07/10] drm/msm: fix missing wq allocation error handling
Date: Mon, 6 Mar 2023 11:07:19 +0100 [thread overview]
Message-ID: <20230306100722.28485-8-johan+linaro@kernel.org> (raw)
In-Reply-To: <20230306100722.28485-1-johan+linaro@kernel.org>
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);
--
2.39.2
next prev parent reply other threads:[~2023-03-06 10:09 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-06 10:07 [PATCH 00/10] drm/msm: fix bind error handling Johan Hovold
2023-03-06 10:07 ` [PATCH 01/10] Revert "drm/msm: Add missing check and destroy for alloc_ordered_workqueue" Johan Hovold
2023-03-28 12:49 ` Dmitry Baryshkov
2023-03-06 10:07 ` [PATCH 02/10] Revert "drm/msm: Fix failure paths in msm_drm_init()" Johan Hovold
2023-03-28 12:49 ` Dmitry Baryshkov
2023-03-06 10:07 ` [PATCH 03/10] drm/msm: fix NULL-deref on snapshot tear down Johan Hovold
2023-03-21 15:06 ` Dmitry Baryshkov
2023-03-06 10:07 ` [PATCH 04/10] drm/msm: fix NULL-deref on irq uninstall Johan Hovold
2023-03-21 15:17 ` Dmitry Baryshkov
2023-03-06 10:07 ` [PATCH 05/10] drm/msm: fix drm device leak on bind errors Johan Hovold
2023-03-21 14:54 ` Dmitry Baryshkov
2023-03-22 7:47 ` Johan Hovold
2023-03-24 22:04 ` Dmitry Baryshkov
2023-03-06 10:07 ` [PATCH 06/10] drm/msm: fix vram " Johan Hovold
2023-03-24 22:06 ` Dmitry Baryshkov
2023-03-06 10:07 ` Johan Hovold [this message]
2023-03-28 12:50 ` [PATCH 07/10] drm/msm: fix missing wq allocation error handling Dmitry Baryshkov
2023-03-06 10:07 ` [PATCH 08/10] drm/msm: fix workqueue leak on bind errors Johan Hovold
2023-03-28 12:50 ` Dmitry Baryshkov
2023-03-06 10:07 ` [PATCH 09/10] drm/msm: use drmm_mode_config_init() Johan Hovold
2023-03-06 12:38 ` Dmitry Baryshkov
2023-03-06 13:31 ` Johan Hovold
2023-03-06 10:07 ` [PATCH 10/10] drm/msm: move include directive Johan Hovold
2023-03-21 14:43 ` Dmitry Baryshkov
2023-03-21 13:02 ` [PATCH 00/10] drm/msm: fix bind error handling Johan Hovold
2023-03-21 15:21 ` Dmitry Baryshkov
2023-03-22 7:54 ` Johan Hovold
2023-03-28 22:37 ` Dmitry Baryshkov
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