static int __init zt5550_init(void)
{
struct resource* r;
+ int rc;
info(DRIVER_DESC " version: " DRIVER_VERSION);
r = request_region(ENUM_PORT, 1, "#ENUM hotswap signal register");
if(!r)
return -EBUSY;
- return pci_register_driver(&zt5550_hc_driver);
+ rc = pci_register_driver(&zt5550_hc_driver);
+ if(rc < 0)
+ release_region(ENUM_PORT, 1);
+ return rc;
}
static void __exit