* [PATCH] media: dvb-usb: fix ununit-value in az6027_rc_query
@ 2021-08-13 14:34 Pavel Skripkin
0 siblings, 0 replies; only message in thread
From: Pavel Skripkin @ 2021-08-13 14:34 UTC (permalink / raw)
To: mchehab, manu
Cc: linux-media, linux-kernel, Pavel Skripkin,
syzbot+2cd8c5db4a85f0a04142
Syzbot reported ununit-value bug in az6027_rc_query(). The problem was
in missing state pointer initialization. Since this funtion does nothing
we can simply initialize state to REMOTE_NO_KEY_PRESSED.
Fixes: 76f9a820c867 ("V4L/DVB: AZ6027: Initial import of the driver")
Reported-and-tested-by: syzbot+2cd8c5db4a85f0a04142@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
---
drivers/media/usb/dvb-usb/az6027.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/usb/dvb-usb/az6027.c b/drivers/media/usb/dvb-usb/az6027.c
index 1c39b61cde29..86788771175b 100644
--- a/drivers/media/usb/dvb-usb/az6027.c
+++ b/drivers/media/usb/dvb-usb/az6027.c
@@ -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;
}
--
2.32.0
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