diff --git a/[refs] b/[refs]
index 708870fb0ab7..1441e58d3541 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2f644ccfc5a3195290d12b8eedf18a37bba27d98
+refs/heads/master: 01ebd764dab26b3064b0c73ddcf726dd4b41485a
diff --git a/trunk/drivers/staging/cs5535_gpio/cs5535_gpio.c b/trunk/drivers/staging/cs5535_gpio/cs5535_gpio.c
index 0cf1e5fad9ab..b25f9d103b3b 100644
--- a/trunk/drivers/staging/cs5535_gpio/cs5535_gpio.c
+++ b/trunk/drivers/staging/cs5535_gpio/cs5535_gpio.c
@@ -146,7 +146,8 @@ static ssize_t cs5535_gpio_read(struct file *file, char __user *buf,
 
 	/* add a line-feed if there is room */
 	if ((i == ARRAY_SIZE(rm)) && (count < len)) {
-		put_user('\n', buf + count);
+		if (put_user('\n', buf + count))
+			return -EFAULT;
 		count++;
 	}