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[PATCH 20/34] iwlagn: do nothing when disable agg in wrong state

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

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
 drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c |    2 ++
 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 fa2ce39..fec7065 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;
-- 
1.7.0.4

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