forked from luck/tmp_suning_uos_patched
rtlwifi: Use dev_kfree_skb_irq instead of kfree_skb
It is not allowed to call kfree_skb() from hardware interrupt context or with interrupts being disabled, spin_lock_irqsave() make sure always in irq disable context. So the kfree_skb() should be replaced with dev_kfree_skb_irq(). This is detected by Coccinelle semantic patch. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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7fc1503c90
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e496561473
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@ -1832,7 +1832,7 @@ bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
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spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
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spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
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pskb = __skb_dequeue(&ring->queue);
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pskb = __skb_dequeue(&ring->queue);
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kfree_skb(pskb);
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dev_kfree_skb_irq(pskb);
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/*this is wrong, fill_tx_cmddesc needs update*/
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/*this is wrong, fill_tx_cmddesc needs update*/
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pdesc = &ring->desc[0];
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pdesc = &ring->desc[0];
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