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>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 581dc9f10273..321b18b59135 100644
--- 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;