From: Qinglang Miao miaoqinglang@huawei.com
commit 0c5fc92622ed5531ff324b20f014e9e3092f0187 upstream.
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
--- drivers/tty/serial/serial_txx9.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -1287,6 +1287,9 @@ 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;