From 67158b67cea0c92dba1dda74cde926d149cc1a2e Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 16 Nov 2010 11:51:04 -0800
Subject: [PATCH] iwlagn: remove powersave warning
Through races, a packet may be enqueued for
transmission to a station while that station
is going to sleep, in which case the warning
here triggers. Instead of warning, check the
condition -- if this packet is not a PS-poll
response then we still enqueue it but it will
be rejected by the device since the station
is marked as asleep.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
---
drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 07bbc915529a..e8bd0b311946 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -567,8 +567,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
if (sta)
sta_priv = (void *)sta->drv_priv;
- if (sta_priv && sta_priv->asleep) {
- WARN_ON(!(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE));
+ if (sta_priv && sta_priv->asleep &&
+ (info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE)) {
/*
* This sends an asynchronous command to the device,
* but we can rely on it being processed before the
--
2.34.1