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iwlagn: remove powersave warning

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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>
This commit is contained in:
Johannes Berg 2010-11-16 11:51:04 -08:00 • committed by Wey-Yi Guy
commit 67158b67ce
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
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@ -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