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net: fman: Unregister ethernet device on removal
[ Upstream commitb7cbc6740b
] When the mac device gets removed, it leaves behind the ethernet device. This will result in a segfault next time the ethernet device accesses mac_dev. Remove the ethernet device when we get removed to prevent this. This is not completely reversible, since some resources aren't cleaned up properly, but that can be addressed later. Fixes:3933961682
("fsl/fman: Add FMan MAC driver") Signed-off-by: Sean Anderson <sean.anderson@seco.com> Link: https://lore.kernel.org/r/20221103182831.2248833-1-sean.anderson@seco.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -882,12 +882,21 @@ static int mac_probe(struct platform_device *_of_dev)
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return err;
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}
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static int mac_remove(struct platform_device *pdev)
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{
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struct mac_device *mac_dev = platform_get_drvdata(pdev);
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platform_device_unregister(mac_dev->priv->eth_dev);
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return 0;
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}
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static struct platform_driver mac_driver = {
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.driver = {
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.name = KBUILD_MODNAME,
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.of_match_table = mac_match,
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},
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.probe = mac_probe,
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.remove = mac_remove,
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};
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builtin_platform_driver(mac_driver);
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