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>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index a0f8f771adec..7c6ccd071baf 100644
--- 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) {