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| author | Qinglang Miao <miaoqinglang@huawei.com> | 2020-11-03 16:49:42 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-06 17:24:41 +0100 |
| commit | 0c5fc92622ed5531ff324b20f014e9e3092f0187 (patch) | |
| tree | ca3cb374dc28a0d30248f33784b19b2bf6f56ac5 | |
| parent | 427627a23c3e86e31113f9db9bfdca41698a0ee5 (diff) | |
| download | linux-0c5fc92622ed5531ff324b20f014e9e3092f0187.tar.bz2 | |
serial: txx9: add missing platform_driver_unregister() on error in serial_txx9_init
Add the missing platform_driver_unregister() before return
from serial_txx9_init in the error handling case when failed
to register serial_txx9_pci_driver with macro ENABLE_SERIAL_TXX9_PCI
defined.
Fixes: ab4382d27412 ("tty: move drivers/serial/ to drivers/tty/serial/")
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Link: https://lore.kernel.org/r/20201103084942.109076-1-miaoqinglang@huawei.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/serial_txx9.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c index b4d89e31730e..7a07e7272de1 100644 --- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -1280,6 +1280,9 @@ static int __init serial_txx9_init(void) #ifdef ENABLE_SERIAL_TXX9_PCI ret = pci_register_driver(&serial_txx9_pci_driver); + if (ret) { + platform_driver_unregister(&serial_txx9_plat_driver); + } #endif if (ret == 0) goto out; |