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[media] 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@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Syam Sidhardhan 2013-02-24 18:47:18 -03:00 committed by Mauro Carvalho Chehab
parent 4d35435d3f
commit 06f950f43f
1 changed files with 4 additions and 1 deletions
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5
drivers/media/usb/dvb-usb-v2/lmedm04.c
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@ -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;