The pm_runtime_enable will decrease power disable depth. If the probe fails, we should use pm_runtime_disable() to balance pm_runtime_enable(). Fixes: f386509 ("[media] st-delta: STiH4xx multi-format video decoder v4l2 driver") Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> --- changes in v2: - remove unused label. changes in v3: - add err_pm_disable label and update related 'goto err'. - update commit message --- drivers/media/platform/sti/delta/delta-v4l2.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/sti/delta/delta-v4l2.c b/drivers/media/platform/sti/delta/delta-v4l2.c index c887a31ebb54..420ad4d8df5d 100644 --- a/drivers/media/platform/sti/delta/delta-v4l2.c +++ b/drivers/media/platform/sti/delta/delta-v4l2.c @@ -1859,7 +1859,7 @@ static int delta_probe(struct platform_device *pdev) if (ret) { dev_err(delta->dev, "%s failed to initialize firmware ipc channel\n", DELTA_PREFIX); - goto err; + goto err_pm_disable; } /* register all available decoders */ @@ -1873,7 +1873,7 @@ static int delta_probe(struct platform_device *pdev) if (ret) { dev_err(delta->dev, "%s failed to register V4L2 device\n", DELTA_PREFIX); - goto err; + goto err_pm_disable; } delta->work_queue = create_workqueue(DELTA_NAME); @@ -1898,6 +1898,8 @@ static int delta_probe(struct platform_device *pdev) destroy_workqueue(delta->work_queue); err_v4l2: v4l2_device_unregister(&delta->v4l2_dev); +err_pm_disable: + pm_runtime_disable(dev); err: return ret; } -- 2.17.1