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Like last time, we have two small fixes:

Browse Source 
* fast-xmit was not doing powersave filter clearing correctly,
    disable fast-xmit while any such operations are still pending
  * a debugfs file was broken due to some infrastructure changes
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Merge tag 'mac80211-for-davem-2015-10-13' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Like last time, we have two small fixes:
 * fast-xmit was not doing powersave filter clearing correctly,
   disable fast-xmit while any such operations are still pending
 * a debugfs file was broken due to some infrastructure changes
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-10-14 18:34:25 -07:00
commit ef41a2cedb
3 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/mac80211/debugfs.c
View File

@ -149,7 +149,7 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
if (test_bit(i, local->hw.flags))
pos += scnprintf(pos, end - pos, "%s",
pos += scnprintf(pos, end - pos, "%s\n",
hw_flag_names[i]);
}

1
net/mac80211/status.c
View File

@ -101,6 +101,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
* when it wakes up for the next time.
*/
set_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT);
ieee80211_clear_fast_xmit(sta);
/*
* This code races in the following way:

7
net/mac80211/tx.c
View File

@ -1218,8 +1218,10 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
if (!tx->sta)
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
else if (test_and_clear_sta_flag(tx->sta, WLAN_STA_CLEAR_PS_FILT))
else if (test_and_clear_sta_flag(tx->sta, WLAN_STA_CLEAR_PS_FILT)) {
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
ieee80211_check_fast_xmit(tx->sta);
}
info->flags |= IEEE80211_TX_CTL_FIRST_FRAGMENT;
@ -2451,7 +2453,8 @@ void ieee80211_check_fast_xmit(struct sta_info *sta)
if (test_sta_flag(sta, WLAN_STA_PS_STA) ||
test_sta_flag(sta, WLAN_STA_PS_DRIVER) ||
test_sta_flag(sta, WLAN_STA_PS_DELIVER))
test_sta_flag(sta, WLAN_STA_PS_DELIVER) ||
test_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT))
goto out;
if (sdata->noack_map)