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Commit 51c8d241 authored by Wei Yongjun's avatar Wei Yongjun Committed by Kalle Valo
Browse files

cw1200: fix missing unlock on error in cw1200_hw_scan() 



Add the missing unlock before return from function cw1200_hw_scan()
in the error handling case.

Fixes: 4f68ef64 ("cw1200: Fix concurrency use-after-free bugs in cw1200_hw_scan()")
Signed-off-by: default avatarWei Yongjun <weiyongjun1@huawei.com>
Acked-by: default avatarJia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 4d95f99c

drivers/net/wireless/st/cw1200/scan.c

+4 −1
Original line number Diff line number Diff line
@@ -84,8 +84,11 @@ int cw1200_hw_scan(struct ieee80211_hw *hw, 


	frame.skb = ieee80211_probereq_get(hw, priv->vif->addr, NULL, 0,

		req->ie_len);

	if (!frame.skb)

	if (!frame.skb) {

		mutex_unlock(&priv->conf_mutex);

		up(&priv->scan.lock);

		return -ENOMEM;

	}



	if (req->ie_len)

		skb_put_data(frame.skb, req->ie, req->ie_len);