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wifi: rtw88: delete timer and free skb queue when unloading

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Fix possible crash and memory leak on driver unload by deleting
TX purge timer and freeing C2H queue in 'rtw_core_deinit()',
shrink critical section in the latter by freeing COEX queue
out of TX report lock scope.

Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230628072327.167196-1-dmantipov@yandex.ru
This commit is contained in:
Dmitry Antipov 2023-06-28 10:23:15 +03:00 committed by Kalle Valo
parent f5f80e32de
commit 634fcbcaa4
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/realtek/rtw88/main.c
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@ -2183,10 +2183,12 @@ void rtw_core_deinit(struct rtw_dev *rtwdev)
release_firmware(wow_fw->firmware);
destroy_workqueue(rtwdev->tx_wq);
timer_delete_sync(&rtwdev->tx_report.purge_timer);
spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags);
skb_queue_purge(&rtwdev->tx_report.queue);
skb_queue_purge(&rtwdev->coex.queue);
spin_unlock_irqrestore(&rtwdev->tx_report.q_lock, flags);
skb_queue_purge(&rtwdev->coex.queue);
skb_queue_purge(&rtwdev->c2h_queue);
list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list,
build_list) {