diff mbox series

[5.5,16/23] media: af9005: uninitialized variable printked

Message ID 20200203161905.734306738@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Feb. 3, 2020, 4:20 p.m. UTC 
From: Sean Young <sean@mess.org>

commit 51d0c99b391f0cac61ad7b827c26f549ee55672c upstream.

If usb_bulk_msg() fails, actual_length can be uninitialized.

Reported-by: syzbot+9d42b7773d2fecd983ab@syzkaller.appspotmail.com
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/media/usb/dvb-usb/af9005.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -554,7 +554,7 @@  static int af9005_boot_packet(struct usb
 			      u8 *buf, int size)
 {
 	u16 checksum;
-	int act_len, i, ret;
+	int act_len = 0, i, ret;
 
 	memset(buf, 0, size);
 	buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff);