From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Tue, 6 Jun 2017 10:17:53 +0000 (+0530)
Subject: watchdog: davinci: Handle return value of clk_prepare_enable
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8f11eb58ad5747bab622910cc2efaa45e6a21c1f;p=linux.git

watchdog: davinci: Handle return value of clk_prepare_enable

clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---

diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 0e731d797a2a3..1ba9ead7d75a3 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -173,7 +173,11 @@ static int davinci_wdt_probe(struct platform_device *pdev)
 		return PTR_ERR(davinci_wdt->clk);
 	}
 
-	clk_prepare_enable(davinci_wdt->clk);
+	ret = clk_prepare_enable(davinci_wdt->clk);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to prepare clock\n");
+		return ret;
+	}
 
 	platform_set_drvdata(pdev, davinci_wdt);