iwlagn: do nothing when disable agg in wrong state

When disable aggregation request come in on wrong agg state. ignore it

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
index fa2ce398da85..fec7065e75e6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
@@ -636,6 +636,8 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans,
         default:
                 IWL_WARN(trans, "Stopping AGG while state not ON"
                                 "or starting\n");
+                spin_unlock_irqrestore(&trans->shrd->sta_lock, flags);
+                return 0;
         }
 
         write_ptr = trans_pcie->txq[txq_id].q.write_ptr;