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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 <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
This commit is contained in:
Wei Yongjun authored and Kalle Valo committed 2016-11-17 08:48:33 +02:00
1 parent 7fc1503c90
commit e496561473
1 file changed
+1 -1
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drivers/net/wireless/realtek/rtlwifi/core.c
+1 -1
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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);
pskb = __skb_dequeue(&ring->queue);
kfree_skb(pskb);
dev_kfree_skb_irq(pskb);
/*this is wrong, fill_tx_cmddesc needs update*/
pdesc = &ring->desc[0];