Commit eaaea468 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

media: gspca/sq905.c: fix uninitialized variable 



act_len can be uninitialized if usb_bulk_msg() returns an error.
Set it to 0 to avoid a KMSAN error.

Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Reported-by: default avatar <syzbot+a4e309017a5f3a24c7b3@syzkaller.appspotmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 48e15418

drivers/media/usb/gspca/sq905.c

+1 −1
Original line number Diff line number Diff line
@@ -158,7 +158,7 @@ static int 
sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock)

{

	int ret;

	int act_len;

	int act_len = 0;



	gspca_dev->usb_buf[0] = '\0';

	if (need_lock)