watchdog: Fix runtime PM imbalance on error

Message ID 20200521080141.24373-1-dinghao.liu@zju.edu.cn
State New
Headers show
Series
  • watchdog: Fix runtime PM imbalance on error
Related show

Commit Message

Dinghao Liu May 21, 2020, 8:01 a.m.
When watchdog_register_device() returns an error code,
a pairing runtime PM usage counter decrement is needed
to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
---
 drivers/watchdog/omap_wdt.c | 1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 9b91882fe3c4..1616f93dfad7 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -273,6 +273,7 @@  static int omap_wdt_probe(struct platform_device *pdev)
 
 	ret = watchdog_register_device(&wdev->wdog);
 	if (ret) {
+		pm_runtime_put(wdev->dev);
 		pm_runtime_disable(wdev->dev);
 		return ret;
 	}