ret = misc_register(&mixcomwd_miscdev);
if (ret)
{
- release_region(watchdog_port, 1);
- return ret;
+ printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, ret);
+ goto error_misc_register_watchdog;
}
printk(KERN_INFO "MixCOM watchdog driver v%s, watchdog port at 0x%3x\n",VERSION,watchdog_port);
return 0;
+
+error_misc_register_watchdog:
+ release_region(watchdog_port, 1);
+ watchdog_port = 0x0000;
+ return ret;
}
static void __exit mixcomwd_exit(void)
mixcomwd_timer_alive=0;
}
}
- release_region(watchdog_port,1);
misc_deregister(&mixcomwd_miscdev);
+ release_region(watchdog_port,1);
}
module_init(mixcomwd_init);