diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 825dbd51a949..86d42801de45 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -353,7 +353,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 		return -ENOENT;
 	}
 
-	size = (res->end-res->start)+1;
+	size = (res->end - res->start) + 1;
 	wdt_mem = request_mem_region(res->start, size, pdev->name);
 	if (wdt_mem == NULL) {
 		dev_err(dev, "failed to get memory region\n");