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rtlwifi: Use dev_kfree_skb_irq instead of kfree_skb

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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>
This commit is contained in:
Wei Yongjun 2016-11-01 14:48:40 +00:00 committed by Kalle Valo
parent 7fc1503c90
commit e496561473
1 changed files with 1 additions and 1 deletions
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drivers/net/wireless/realtek/rtlwifi/core.c
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@ -1832,7 +1832,7 @@ bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
pskb = __skb_dequeue(&ring->queue); pskb = __skb_dequeue(&ring->queue);
kfree_skb(pskb); dev_kfree_skb_irq(pskb);
/*this is wrong, fill_tx_cmddesc needs update*/ /*this is wrong, fill_tx_cmddesc needs update*/
pdesc = &ring->desc[0]; pdesc = &ring->desc[0];