Commit a7c8aada authored Dec 11, 2011 by Miroslav Slugen Committed by Mauro Carvalho Chehab Jan 16, 2012

[media] cx23885-dvb: check if dvb_attach() succeded



Fix possible null dereference for Leadtek DTV 3200H
XC4000 tuner when no firmware file available.

Cc: stable@kernel.org
Signed-off-by: Miroslav Slugen <thunder.mmm@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 6c2cc5b5

drivers/media/video/cx23885/cx23885-dvb.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -943,6 +943,11 @@ static int dvb_register(struct cx23885_tsport *port)

		fe = dvb_attach(xc4000_attach, fe0->dvb.frontend,
		&dev->i2c_bus[1].i2c_adap, &cfg);
		if (!fe) {
		printk(KERN_ERR "%s/2: xc4000 attach failed\n",
		dev->name);
		goto frontend_detach;
		}
		}
		break;
		case CX23885_BOARD_TBS_6920: