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net: txgbe: fix FDIR filter leak on remove

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Perfect FDIR filters can be added while the interface is down and are
kept on the software list for later restore. unregister_netdev() only
calls ndo_stop when the device is up, so txgbe_fdir_filter_exit() in
txgbe_close() is skipped in that case and the filters are leaked on
driver remove. Free the filter list from txgbe_remove() as well.

Fixes: 4bdb441105 ("net: txgbe: support Flow Director perfect filters")
Signed-off-by: Chenguang Zhao <zhaochenguang@kylinos.cn>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20260713091911.1614795-1-chenguang.zhao@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Chenguang Zhao 2026-07-13 17:19:11 +08:00 committed by Jakub Kicinski
parent 9c805e592a
commit ecaa378263
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
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@ -945,6 +945,7 @@ static void txgbe_remove(struct pci_dev *pdev)
netdev = wx->netdev;
wx_disable_sriov(wx);
unregister_netdev(netdev);
txgbe_fdir_filter_exit(wx);
timer_shutdown_sync(&wx->service_timer);
cancel_work_sync(&wx->service_task);