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authorYang Yingliang <yangyingliang@huawei.com>2022-12-08 22:35:17 +0800
committerKalle Valo <kvalo@kernel.org>2022-12-14 14:23:30 +0200
commit4c2005ac87685907b3719b4f40215b578efd27c4 (patch)
tree402cf39575979a2a7d086ce9fcc80ebc559b34f0 /tools/perf/scripts/python/export-to-postgresql.py
parent639c26faf9b15922bc620af341545d6c5d6aab2d (diff)
wifi: rtl8xxxu: don't call dev_kfree_skb() under spin_lock_irqsave()
It is not allowed to call kfree_skb() or consume_skb() from hardware interrupt context or with hardware interrupts being disabled. It should use dev_kfree_skb_irq() or dev_consume_skb_irq() instead. The difference between them is free reason, dev_kfree_skb_irq() means the SKB is dropped in error and dev_consume_skb_irq() means the SKB is consumed in normal. In this case, dev_kfree_skb() is called to free and drop the SKB when it's shutdown, so replace it with dev_kfree_skb_irq(). Compile tested only. Fixes: 26f1fad29ad9 ("New driver: rtl8xxxu (mac80211)") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20221208143517.2383424-1-yangyingliang@huawei.com
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