diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c
index 491419e..5c3d4df 100644
--- a/drivers/watchdog/kempld_wdt.c
+++ b/drivers/watchdog/kempld_wdt.c
@@ -35,7 +35,7 @@
 #define KEMPLD_WDT_STAGE_TIMEOUT(x)	(0x1b + (x) * 4)
 #define KEMPLD_WDT_STAGE_CFG(x)		(0x18 + (x))
 #define STAGE_CFG_GET_PRESCALER(x)	(((x) & 0x30) >> 4)
-#define STAGE_CFG_SET_PRESCALER(x)	(((x) & 0x30) << 4)
+#define STAGE_CFG_SET_PRESCALER(x)	(((x) & 0x3) << 4)
 #define STAGE_CFG_PRESCALER_MASK	0x30
 #define STAGE_CFG_ACTION_MASK		0x7
 #define STAGE_CFG_ASSERT		(1 << 3)
diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c
index 1f94b42..f6caa77 100644
--- a/drivers/watchdog/sunxi_wdt.c
+++ b/drivers/watchdog/sunxi_wdt.c
@@ -146,7 +146,7 @@
 	.set_timeout	= sunxi_wdt_set_timeout,
 };
 
-static int __init sunxi_wdt_probe(struct platform_device *pdev)
+static int sunxi_wdt_probe(struct platform_device *pdev)
 {
 	struct sunxi_wdt_dev *sunxi_wdt;
 	struct resource *res;
@@ -187,7 +187,7 @@
 	return 0;
 }
 
-static int __exit sunxi_wdt_remove(struct platform_device *pdev)
+static int sunxi_wdt_remove(struct platform_device *pdev)
 {
 	struct sunxi_wdt_dev *sunxi_wdt = platform_get_drvdata(pdev);
 
diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c
index 42913f1..c9b0c62 100644
--- a/drivers/watchdog/ts72xx_wdt.c
+++ b/drivers/watchdog/ts72xx_wdt.c
@@ -310,7 +310,8 @@
 
 	case WDIOC_GETSTATUS:
 	case WDIOC_GETBOOTSTATUS:
-		return put_user(0, p);
+		error = put_user(0, p);
+		break;
 
 	case WDIOC_KEEPALIVE:
 		ts72xx_wdt_kick(wdt);