[PATCH] lmedm04: Fix possible NULL pointer dereference

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Check for (adap == NULL) has to done before accessing adap.

Signed-off-by: Syam Sidhardhan <s.syam@xxxxxxxxxxx>
---
 drivers/media/usb/dvb-usb-v2/lmedm04.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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 @@ static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
 		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;
-- 
1.7.9.5

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