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drm/msm: fix workqueue leak on bind errors

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Make sure to destroy the workqueue also in case of early errors during
bind (e.g. a subcomponent failing to bind).

Since commit c3b790ea07 ("drm: Manage drm_mode_config_init with
drmm_") the mode config will be freed when the drm device is released
also when using the legacy interface, but add an explicit cleanup for
consistency and to facilitate backporting.

Fixes: 060530f1ea ("drm/msm: use componentised device support")
Cc: stable@vger.kernel.org      # 3.15
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/525093/
Link: https://lore.kernel.org/r/20230306100722.28485-9-johan+linaro@kernel.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Johan Hovold
2023-03-06 11:07:20 +01:00
committed by Dmitry Baryshkov
parent ca090c837b
commit a75b49db65
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/msm/msm_drv.c
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@@ -459,7 +459,7 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)
ret = msm_init_vram(ddev);
if (ret)
goto err_put_dev;
goto err_cleanup_mode_config;
/* Bind all our sub-components: */
ret = component_bind_all(dev, ddev);
@@ -564,6 +564,9 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)
err_deinit_vram:
msm_deinit_vram(ddev);
err_cleanup_mode_config:
drm_mode_config_cleanup(ddev);
destroy_workqueue(priv->wq);
err_put_dev:
drm_dev_put(ddev);