diff options
Diffstat (limited to 'drivers/serial/ioc4_serial.c')
| -rw-r--r-- | drivers/serial/ioc4_serial.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c index 2e02c30..836d9ab 100644 --- a/drivers/serial/ioc4_serial.c +++ b/drivers/serial/ioc4_serial.c @@ -2904,7 +2904,7 @@ static struct ioc4_submodule ioc4_serial_submodule = { /** * ioc4_serial_init - module init */ -int ioc4_serial_init(void) +static int __init ioc4_serial_init(void) { int ret; @@ -2913,20 +2913,30 @@ int ioc4_serial_init(void) printk(KERN_WARNING "%s: Couldn't register rs232 IOC4 serial driver\n", __func__); - return ret; + goto out; } if ((ret = uart_register_driver(&ioc4_uart_rs422)) < 0) { printk(KERN_WARNING "%s: Couldn't register rs422 IOC4 serial driver\n", __func__); - return ret; + goto out_uart_rs232; } /* register with IOC4 main module */ - return ioc4_register_submodule(&ioc4_serial_submodule); + ret = ioc4_register_submodule(&ioc4_serial_submodule); + if (ret) + goto out_uart_rs422; + return 0; + +out_uart_rs422: + uart_unregister_driver(&ioc4_uart_rs422); +out_uart_rs232: + uart_unregister_driver(&ioc4_uart_rs232); +out: + return ret; } -static void __devexit ioc4_serial_exit(void) +static void __exit ioc4_serial_exit(void) { ioc4_unregister_submodule(&ioc4_serial_submodule); uart_unregister_driver(&ioc4_uart_rs232); |