From: David Ellingsworth <david@identd.dyndns.org>
Date: Wed, 23 Sep 2009 21:03:52 +0000 (-0300)
Subject: V4L/DVB (13067): radio-mr800: fix potential use after free
X-Git-Tag: v4.13~20834^2~324
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=4e3616576e9e65d53f9381b9f334257299c7262e;p=mirror_ubuntu-bionic-kernel.git

V4L/DVB (13067): radio-mr800: fix potential use after free

Fix portential use after free.

Signed-off-by: David Ellingsworth <david@identd.dyndns.org>
Acked-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index c4f4cd8dbb6c..dbae50ba250c 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -273,8 +273,8 @@ static void usb_amradio_disconnect(struct usb_interface *intf)
 	mutex_unlock(&radio->lock);
 
 	usb_set_intfdata(intf, NULL);
-	video_unregister_device(&radio->videodev);
 	v4l2_device_disconnect(&radio->v4l2_dev);
+	video_unregister_device(&radio->videodev);
 }
 
 /* vidioc_querycap - query device capabilities */