serial: txx9: add missing platform_driver_unregister() on error in serial_txx9_init
commit5.4-rM2-2.2.x-imx-squashed0c5fc92622
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:ab4382d274
("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>
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085fc4784e
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62c4b2b21e
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@ -1283,6 +1283,9 @@ static int __init serial_txx9_init(void)
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#ifdef ENABLE_SERIAL_TXX9_PCI
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ret = pci_register_driver(&serial_txx9_pci_driver);
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if (ret) {
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platform_driver_unregister(&serial_txx9_plat_driver);
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}
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#endif
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if (ret == 0)
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goto out;
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