Commit 569bc8d6 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

media: dvb-usb/dvb-usb-urb.c: initialize actlen to 0 

This fixes a syzbot failure since actlen could be uninitialized,
but it was still used.

Syzbot link:

https://syzkaller.appspot.com/bug?extid=6bf9606ee955b646c0e1



Reported-and-tested-by: default avatar <syzbot+6bf9606ee955b646c0e1@syzkaller.appspotmail.com>

Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent de89d086

drivers/media/usb/dvb-usb/dvb-usb-urb.c

+1 −1
Original line number Diff line number Diff line
@@ -12,7 +12,7 @@ 
int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,

	u16 rlen, int delay_ms)

{

	int actlen,ret = -ENOMEM;

	int actlen = 0, ret = -ENOMEM;



	if (!d || wbuf == NULL || wlen == 0)

		return -EINVAL;