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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2019-11-12 12:22:28 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2019-12-13 11:17:42 +0300
commit569bc8d6a6a50acb5fcf07fb10b8d2d461fdbf93 (patch)
tree4bfbc869b3612d889776714dc8990adf12cb1085 /drivers/media/usb/dvb-usb/dvb-usb-urb.c
parentde89d0864f66c2a1b75becfdd6bf3793c07ce870 (diff)
downloadlinux-569bc8d6a6a50acb5fcf07fb10b8d2d461fdbf93.tar.xz
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: syzbot+6bf9606ee955b646c0e1@syzkaller.appspotmail.com Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Acked-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/usb/dvb-usb/dvb-usb-urb.c')
-rw-r--r--drivers/media/usb/dvb-usb/dvb-usb-urb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-urb.c b/drivers/media/usb/dvb-usb/dvb-usb-urb.c
index c1b4e94a37f8..2aabf90d8697 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-urb.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-urb.c
@@ -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;