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

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Date:   Tue,  6 Jun 2017 16:08:31 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     wim@...ana.be, linux@...ck-us.net
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] watchdog: davinci: Add missing clk_disable_unprepare().

davinci_wdt_probe() can fail here and we must disable clock.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/watchdog/davinci_wdt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 1ba9ead..2f46487 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -202,8 +202,10 @@ static int davinci_wdt_probe(struct platform_device *pdev)
 		return PTR_ERR(davinci_wdt->base);

 	ret = watchdog_register_device(wdd);
-	if (ret < 0)
+	if (ret < 0) {
+		clk_disable_unprepare(davinci_wdt->clk);
 		dev_err(dev, "cannot register watchdog device\n");
+	}

 	return ret;
 }
-- 
1.9.1