[PATCH v2] iwlwifi: dvm: add missing cleaup for on error path

[Haoxiang Li]

In iwlagn_tx_agg_start(), call iwlagn_dealloc_agg_txq()
to clear bit on error path.

Signed-off-by: Haoxiang Li <lihaoxiang@xxxxxxxxxxxxxxxx>
---
Changes in v2:
  - remove an unnecessary error handling. Thanks, Miriam!
---
 drivers/net/wireless/intel/iwlwifi/dvm/tx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
index a7806776a51e..1a0167f67c7b 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
@@ -604,8 +604,10 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 	}
 
 	ret = iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
-	if (ret)
+	if (ret) {
+		iwlagn_dealloc_agg_txq(priv, txq_id);
 		return ret;
+	}
 
 	spin_lock_bh(&priv->sta_lock);
 	tid_data = &priv->tid_data[sta_id][tid];
-- 
2.25.1