提交 9385565e 编写于 作者: J Jean Delvare 提交者: Linus Torvalds

ioc3/ioc4: fix error path on driver registration

Two IOC3 and IOC4 drivers have broken error paths on registration.  Fix
them.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Cc: Pat Gefre <pfg@sgi.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 2ea5d35a
......@@ -2913,17 +2913,27 @@ static int __init 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 __exit ioc4_serial_exit(void)
......
......@@ -820,7 +820,7 @@ static int __init ioc3_init(void)
{
if (ia64_platform_is("sn2"))
return pci_register_driver(&ioc3_driver);
return 0;
return -ENODEV;
}
/* Module unload */
......
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