linux-kernel - [PATCH] watchdog: starfive: Add missing clk_disable

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Message-Id: <20240628033508.281058-1-nichen@iscas.ac.cn>
Date: Fri, 28 Jun 2024 11:35:08 +0800
From: Chen Ni <nichen@...as.ac.cn>
To: xingyu.wu@...rfivetech.com,
	samin.guo@...rfivetech.com,
	wim@...ux-watchdog.org,
	linux@...ck-us.net
Cc: linux-watchdog@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Chen Ni <nichen@...as.ac.cn>
Subject: [PATCH] watchdog: starfive: Add missing clk_disable_unprepare()

Add the missing clk_disable_unprepare() before return in
starfive_wdt_enable_clock().

Signed-off-by: Chen Ni <nichen@...as.ac.cn>
---
 drivers/watchdog/starfive-wdt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/starfive-wdt.c b/drivers/watchdog/starfive-wdt.c
index b4b059883618..19a2620d3d38 100644
--- a/drivers/watchdog/starfive-wdt.c
+++ b/drivers/watchdog/starfive-wdt.c
@@ -152,8 +152,10 @@ static int starfive_wdt_enable_clock(struct starfive_wdt *wdt)
 		return dev_err_probe(wdt->wdd.parent, ret, "failed to enable apb clock\n");
 
 	ret = clk_prepare_enable(wdt->core_clk);
-	if (ret)
+	if (ret) {
+		clk_disable_unprepare(wdt->apb_clk);
 		return dev_err_probe(wdt->wdd.parent, ret, "failed to enable core clock\n");
+	}
 
 	return 0;
 }
-- 
2.25.1