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media: dvb-usb: fix ununit-value in az6027_rc_query

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[ Upstream commit afae4ef7d5 ]

Syzbot reported ununit-value bug in az6027_rc_query(). The problem was
in missing state pointer initialization. Since this function does nothing
we can simply initialize state to REMOTE_NO_KEY_PRESSED.

Reported-and-tested-by: syzbot+2cd8c5db4a85f0a04142@syzkaller.appspotmail.com

Fixes: 76f9a820c8 ("V4L/DVB: AZ6027: Initial import of the driver")
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pavel Skripkin
2021-08-13 16:34:20 +02:00
committed by Greg Kroah-Hartman
parent 0a85325fc5
commit e2f3608a0b
1 changed files with 1 additions and 0 deletions
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1
drivers/media/usb/dvb-usb/az6027.c
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@@ -391,6 +391,7 @@ static struct rc_map_table rc_map_az6027_table[] = {
/* remote control stuff (does not work with my box) */
static int az6027_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
*state = REMOTE_NO_KEY_PRESSED;
return 0;
}