diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-01-09 10:20:38 +0800 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-01-18 03:25:18 +0200 |
| commit | 643b7d0869cc7f1f7a5ac7ca6bd25d88f54e31d0 (patch) | |
| tree | 4959a3eaa44f4e4a8f2779a7d2188e2d0a2ffe49 /drivers/gpu/drm/msm/msm_drv.c | |
| parent | d839f0811a31322c087a859c2b181e2383daa7be (diff) | |
drm/msm: Add missing check and destroy for alloc_ordered_workqueue
Add check for the return value of alloc_ordered_workqueue as it may return
NULL pointer.
Moreover, use the destroy_workqueue in the later fails in order to avoid
memory leak.
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/517419/
Link: https://lore.kernel.org/r/20230109022038.2163-1-jiasheng@iscas.ac.cn
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 0acba7481f45..b052327181b2 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -418,6 +418,9 @@ 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) + return -ENOMEM; + priv->hangcheck_period = DRM_MSM_HANGCHECK_DEFAULT_PERIOD; INIT_LIST_HEAD(&priv->objects); @@ -441,12 +444,12 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) ret = msm_init_vram(ddev); if (ret) - return ret; + goto err_msm_uninit; /* Bind all our sub-components: */ ret = component_bind_all(dev, ddev); if (ret) - return ret; + goto err_msm_uninit; dma_set_max_seg_size(dev, UINT_MAX); |