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Message-Id: <20200203161910.726194724@linuxfoundation.org>
Date: Mon, 3 Feb 2020 16:19:31 +0000
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
syzbot+9d42b7773d2fecd983ab@...kaller.appspotmail.com,
Sean Young <sean@...s.org>,
Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH 4.9 35/68] media: af9005: uninitialized variable printked
From: Sean Young <sean@...s.org>
commit 51d0c99b391f0cac61ad7b827c26f549ee55672c upstream.
If usb_bulk_msg() fails, actual_length can be uninitialized.
Reported-by: syzbot+9d42b7773d2fecd983ab@...kaller.appspotmail.com
Signed-off-by: Sean Young <sean@...s.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
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);
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