[PATCH 4.9 35/68] media: af9005: uninitialized variable printked

[Greg Kroah-Hartman]

From: Sean Young <sean@xxxxxxxx>

commit 51d0c99b391f0cac61ad7b827c26f549ee55672c upstream.

If usb_bulk_msg() fails, actual_length can be uninitialized.

Reported-by: syzbot+9d42b7773d2fecd983ab@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Sean Young <sean@xxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/media/usb/dvb-usb/af9005.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -567,7 +567,7 @@ static int af9005_boot_packet(struct usb
 			      u8 *buf, int size)
 {
 	u16 checksum;
-	int act_len, i, ret;
+	int act_len = 0, i, ret;
 
 	memset(buf, 0, size);
 	buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff);