Thread (26 messages) 26 messages, 5 authors, 2024-01-30
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[PATCH 03/10] watchdog: rzg2l_wdt: Check return status of pm_runtime_put()

From: Claudiu <claudiu.beznea@tuxon.dev>
Date: 2024-01-22 11:11:45
Also in: linux-clk, linux-renesas-soc, linux-watchdog, lkml
Subsystem: the rest, watchdog device drivers · Maintainers: Linus Torvalds, Wim Van Sebroeck, Guenter Roeck

From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

pm_runtime_put() may return an error code. Check its return status.

Fixes: 2cbc5cd0b55f ("watchdog: Add Watchdog Timer driver for RZ/G2L")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
---
 drivers/watchdog/rzg2l_wdt.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/watchdog/rzg2l_wdt.c b/drivers/watchdog/rzg2l_wdt.c
index 4ab9e7c5e771..0554965027cd 100644
--- a/drivers/watchdog/rzg2l_wdt.c
+++ b/drivers/watchdog/rzg2l_wdt.c
@@ -144,9 +144,13 @@ static int rzg2l_wdt_start(struct watchdog_device *wdev)
 static int rzg2l_wdt_stop(struct watchdog_device *wdev)
 {
 	struct rzg2l_wdt_priv *priv = watchdog_get_drvdata(wdev);
+	int ret;
 
 	rzg2l_wdt_reset(priv);
-	pm_runtime_put(wdev->parent);
+
+	ret = pm_runtime_put(wdev->parent);
+	if (ret < 0)
+		return ret;
 
 	return 0;
 }
-- 
2.39.2
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