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>

Author: davem330

net/mac80211/debugfs.c

@@ -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]);
 	}
 

net/mac80211/status.c

@@ -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:

net/mac80211/tx.c

@@ -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)