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path: root/drivers/char/watchdog/mixcomwd.c
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Diffstat (limited to 'drivers/char/watchdog/mixcomwd.c')
-rw-r--r--drivers/char/watchdog/mixcomwd.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/char/watchdog/mixcomwd.c b/drivers/char/watchdog/mixcomwd.c
index e36c59c5d6c3..59a3baadc704 100644
--- a/drivers/char/watchdog/mixcomwd.c
+++ b/drivers/char/watchdog/mixcomwd.c
@@ -287,13 +287,19 @@ static int __init mixcomwd_init(void)
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)
@@ -306,8 +312,8 @@ 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);