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wifi: rtw88: unlock on error path in rtw_ops_add_interface()

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Call mutex_unlock(&rtwdev->mutex); before returning on this error path.

Fixes: f0e741e4dd ("wifi: rtw88: add bitmap for dynamic port settings")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/ddd10a74-5982-4f65-8c59-c1cca558d239@kili.mountain
This commit is contained in:
Dan Carpenter 2023-05-03 18:09:55 +03:00 committed by Kalle Valo
parent 7acd695070
commit e2ff1181b3
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/realtek/rtw88/mac80211.c
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@ -173,8 +173,10 @@ static int rtw_ops_add_interface(struct ieee80211_hw *hw,
mutex_lock(&rtwdev->mutex);
port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM);
if (port >= RTW_PORT_NUM)
if (port >= RTW_PORT_NUM) {
mutex_unlock(&rtwdev->mutex);
return -EINVAL;
}
set_bit(port, rtwdev->hw_port);
rtwvif->port = port;