printk(KERN_ERR "%s/2: xc3028 attach failed\n",
dev->name);
dvb_frontend_detach(dev->dvb->frontend);
- dvb_unregister_frontend(dev->dvb->frontend);
dev->dvb->frontend = NULL;
return -EINVAL;
}
int result = 0;
struct em28xx_dvb *dvb;
+ if (!dev->has_dvb) {
+ /* This device does not support the extension */
+ return 0;
+ }
+
dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
if (dvb == NULL) {
static int dvb_fini(struct em28xx *dev)
{
+ if (!dev->has_dvb) {
+ /* This device does not support the extension */
+ return 0;
+ }
+
if (dev->dvb) {
unregister_dvb(dev->dvb);
dev->dvb = NULL;