watchdog: s3c2410_wdt: Check return value of clk_prepare_enable
authorSachin Kamat <sachin.kamat@linaro.org>
Tue, 4 Mar 2014 09:34:35 +0000 (15:04 +0530)
committerWim Van Sebroeck <wim@iguana.be>
Mon, 31 Mar 2014 11:33:16 +0000 (13:33 +0200)
clk_prepare_enable can fail. Check its return value.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
drivers/watchdog/s3c2410_wdt.c

index a0f8f77..7c6ccd0 100644 (file)
@@ -525,7 +525,11 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
                goto err;
        }
 
-       clk_prepare_enable(wdt->clock);
+       ret = clk_prepare_enable(wdt->clock);
+       if (ret < 0) {
+               dev_err(dev, "failed to enable clock\n");
+               return ret;
+       }
 
        ret = s3c2410wdt_cpufreq_register(wdt);
        if (ret < 0) {