iwlwifi: missing unlock on error path

We should unlock here instead of returning -EINVAL directly.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 581dc9f..321b18b 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3009,14 +3009,17 @@ static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw)
 
        mutex_lock(&priv->mutex);
 
-       if (!priv->_agn.offchan_tx_skb)
-               return -EINVAL;
+       if (!priv->_agn.offchan_tx_skb) {
+               ret = -EINVAL;
+               goto unlock;
+       }
 
        priv->_agn.offchan_tx_skb = NULL;
 
        ret = iwl_scan_cancel_timeout(priv, 200);
        if (ret)
                ret = -EIO;
+unlock:
        mutex_unlock(&priv->mutex);
 
        return ret;