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authorLibo Chen <clbchenlibo.chen@huawei.com>2013-05-29 10:33:16 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-03 10:30:43 -0700
commit1b615beec7e8a1c40158c69a142e9e9832a6f7ad (patch)
tree2e8ed9d5796c494ab4bc53d20461a974c538dc41 /drivers/tty
parent147275983e42e07f4c9f3764a91ff65be026aea9 (diff)
driver: tty: add missing unregister in err case
when platform_driver_register broken, we should unregister ucc_uart_driver Signed-off-by: Libo chen <libo.chen@huawei.com> Acked-by: Timur Tabi <timur@tabi.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/ucc_uart.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index c8ab8e45e1b9..88317482b81f 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -1517,9 +1517,11 @@ static int __init ucc_uart_init(void)
}
ret = platform_driver_register(&ucc_uart_of_driver);
- if (ret)
+ if (ret) {
printk(KERN_ERR
"ucc-uart: could not register platform driver\n");
+ uart_unregister_driver(&ucc_uart_driver);
+ }
return ret;
}