[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>
git-mirror · Jul 27, 2011 · e66131c · e66131c
1 parent b8f0d30
commit e66131c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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) {