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Subject[PATCH 5.4 16/90] media: af9005: uninitialized variable printked
Date
From: Sean Young <sean@mess.org>

commit 51d0c99b391f0cac61ad7b827c26f549ee55672c upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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
@@ -554,7 +554,7 @@ 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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