V4L/DVB (8005): Fix OOPS if frontend is null
Thanks to timf <timf@iinet.net.au> and Mike Galbraith <efault@gmx.de> to report
this issue.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index 469f93a..726f01c 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -1338,7 +1338,8 @@
return ret;
dettach_frontend:
- dvb_frontend_detach(dev->dvb.frontend);
+ if (dev->dvb.frontend)
+ dvb_frontend_detach(dev->dvb.frontend);
dev->dvb.frontend = NULL;
return -1;