Commit a7c8aada authored by Miroslav Slugen's avatar Miroslav Slugen Committed by Mauro Carvalho Chehab

[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: default avatarMiroslav Slugen <thunder.mmm@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 6c2cc5b5
...@@ -943,6 +943,11 @@ static int dvb_register(struct cx23885_tsport *port) ...@@ -943,6 +943,11 @@ static int dvb_register(struct cx23885_tsport *port)
fe = dvb_attach(xc4000_attach, fe0->dvb.frontend, fe = dvb_attach(xc4000_attach, fe0->dvb.frontend,
&dev->i2c_bus[1].i2c_adap, &cfg); &dev->i2c_bus[1].i2c_adap, &cfg);
if (!fe) {
printk(KERN_ERR "%s/2: xc4000 attach failed\n",
dev->name);
goto frontend_detach;
}
} }
break; break;
case CX23885_BOARD_TBS_6920: case CX23885_BOARD_TBS_6920:
......
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