[media] lmedm04: Fix possible NULL pointer dereference
Check for (adap == NULL) has to done before accessing adap.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c
index f30c58c..96804be 100644
--- a/drivers/media/usb/dvb-usb-v2/lmedm04.c
+++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c
@@ -1241,10 +1241,13 @@
struct usb_data_stream_properties *stream)
{
struct dvb_usb_adapter *adap = fe_to_adap(fe);
- struct dvb_usb_device *d = adap_to_d(adap);
+ struct dvb_usb_device *d;
if (adap == NULL)
return 0;
+
+ d = adap_to_d(adap);
+
/* Turn PID filter on the fly by module option */
if (pid_filter == 2) {
adap->pid_filtering = 1;