From: Abylay Ospan <aospan@netup.ru>
Date: Fri, 15 Jul 2011 18:01:07 +0000 (-0300)
Subject: [media] Don't OOPS if videobuf_dvb_get_frontend return NULL
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e66131cee501ee720b7b58a4b87073b8fbaaaba6;p=linux-beck.git

[media] Don't OOPS if videobuf_dvb_get_frontend return NULL

Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index ad2fd13817f6..aa83f07b1b0f 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -1270,7 +1270,7 @@ int cx23885_dvb_unregister(struct cx23885_tsport *port)
 	 * implement MFE support.
 	 */
 	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
-	if (fe0->dvb.frontend)
+	if (fe0 && fe0->dvb.frontend)
 		videobuf_dvb_unregister_bus(&port->frontends);
 
 	switch (port->dev->board) {