commit: e1b69fdf33f63cfa600b992172d7376f9d9ef2e9
From: Emmanuel Grumbach <[email protected]>
Date: Mon, 15 Oct 2012 17:57:36 +0200
Subject: iwlwifi: don't WARN when a non empty queue is disabled

This can happen when we shut down suddenly an interface.

Cc: [email protected]
Signed-off-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
---
 drivers/net/wireless/iwlwifi/pcie/tx.c |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c 
b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 105e3af..79a4ddc 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -480,20 +480,12 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, 
int txq_id, int fifo,
 void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
 {
        struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-       u16 rd_ptr, wr_ptr;
-       int n_bd = trans_pcie->txq[txq_id].q.n_bd;
 
        if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) {
                WARN_ONCE(1, "queue %d not used", txq_id);
                return;
        }
 
-       rd_ptr = iwl_read_prph(trans, SCD_QUEUE_RDPTR(txq_id)) & (n_bd - 1);
-       wr_ptr = iwl_read_prph(trans, SCD_QUEUE_WRPTR(txq_id));
-
-       WARN_ONCE(rd_ptr != wr_ptr, "queue %d isn't empty: [%d,%d]",
-                 txq_id, rd_ptr, wr_ptr);
-
        iwl_txq_set_inactive(trans, txq_id);
        IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
 }
-- 
1.7.3.4
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