diff --git a/drivers/media/usb/dvb-usb-v2/gl861.c b/drivers/media/usb/dvb-usb-v2/gl861.c
index b784d9da1a82..bf61b51d8f2f 100644
--- a/drivers/media/usb/dvb-usb-v2/gl861.c
+++ b/drivers/media/usb/dvb-usb-v2/gl861.c
@@ -389,7 +389,7 @@ static int friio_ext_ctl(struct dvb_usb_device *d,
 static int friio_reset(struct dvb_usb_device *d)
 {
 	int i, ret;
-	u8 wbuf[2], rbuf[2];
+	u8 wbuf[2] = {}, rbuf[2] = {};
 
 	static const u8 friio_init_cmds[][2] = {
 		{0x33, 0x08}, {0x37, 0x40}, {0x3a, 0x1f}, {0x3b, 0xff},