From 51d0c99b391f0cac61ad7b827c26f549ee55672c Mon Sep 17 00:00:00 2001
From: Sean Young <sean@mess.org>
Date: Sun, 10 Nov 2019 11:15:37 +0100
Subject: [PATCH] media: af9005: uninitialized variable printked
Git-commit: 51d0c99b391f0cac61ad7b827c26f549ee55672c
Patch-mainline: v5.6-rc1
References: bsc#1051510
If usb_bulk_msg() fails, actual_length can be uninitialized.
Reported-by: syzbot+9d42b7773d2fecd983ab@syzkaller.appspotmail.com
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/media/usb/dvb-usb/af9005.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
index ac93e88d7038..89b4b5d84cdf 100644
--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -554,7 +554,7 @@ static int af9005_boot_packet(struct usb_device *udev, int type, u8 *reply,
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);
--
2.16.4