diff --git a/[refs] b/[refs]
index 482539e05feb..2f161a95f481 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 524196d2ad12cfe29e15d3db7b8d678dde35b5f7
+refs/heads/master: dc6b845044ccb7e9e6f3b7e71bd179b3cf0223b6
diff --git a/trunk/drivers/media/radio/si4713-i2c.c b/trunk/drivers/media/radio/si4713-i2c.c
index deca2e06ff22..c9f4a8e65dc4 100644
--- a/trunk/drivers/media/radio/si4713-i2c.c
+++ b/trunk/drivers/media/radio/si4713-i2c.c
@@ -1033,7 +1033,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
 		char ps_name[MAX_RDS_PS_NAME + 1];
 
 		len = control->size - 1;
-		if (len > MAX_RDS_PS_NAME) {
+		if (len < 0 || len > MAX_RDS_PS_NAME) {
 			rval = -ERANGE;
 			goto exit;
 		}
@@ -1057,7 +1057,7 @@ static int si4713_write_econtrol_string(struct si4713_device *sdev,
 		char radio_text[MAX_RDS_RADIO_TEXT + 1];
 
 		len = control->size - 1;
-		if (len > MAX_RDS_RADIO_TEXT) {
+		if (len < 0 || len > MAX_RDS_RADIO_TEXT) {
 			rval = -ERANGE;
 			goto exit;
 		}