1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c
index deca2e06ff22..c9f4a8e65dc4 100644
--- a/drivers/media/radio/si4713-i2c.c
+++ b/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;
                 }