V4L/DVB (4679): Fix for NULL pointer dereference oops during boot.

A fix for intermittent oops's during boot which occurs
in cx88_call_i2c_clients when dvb_attach is bringing up
the frontend.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Steven Toth 2006-09-27 01:16:50 -03:00 committed by Mauro Carvalho Chehab
parent 6d98816fbe
commit 76ac5dd6c0

View file

@ -145,7 +145,7 @@ void cx88_call_i2c_clients(struct cx88_core *core, unsigned int cmd, void *arg)
if (0 != core->i2c_rc)
return;
if (core->dvbdev) {
if ( (core->dvbdev) && (core->dvbdev->dvb.frontend) ) {
if (core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl)
core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl(core->dvbdev->dvb.frontend, 1);