watchdog: s3c2410_wdt: Check return value of clk_prepare_enable

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>

diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index a0f8f77..7c6ccd0 100644 (file)
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -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) {