From 49a4fc20df7fced31ffe4038b32b86a0438d1c27 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Sun, 10 Jun 2012 18:25:09 +0300 Subject: [PATCH] iwlwifi: don't modify the timer if we don't Tx In fragmentation we don't update the write pointer of the HW immediately. So we shouldn't modify the timer in that case. Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- drivers/net/wireless/iwlwifi/pcie/trans.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index d6a73179ebf..b647eb4dca6 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -1354,7 +1354,8 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, skb->data + hdr_len, secondlen); /* start timer if queue currently empty */ - if (q->read_ptr == q->write_ptr && trans_pcie->wd_timeout) + if (txq->need_update && q->read_ptr == q->write_ptr && + trans_pcie->wd_timeout) mod_timer(&txq->stuck_timer, jiffies + trans_pcie->wd_timeout); /* Tell device the write index *just past* this latest filled TFD */ -- 2.41.0