mac80211: uAPSD - fix IEEE80211_FCTL_MOREDATA bit setting
authorJanusz.Dziedzic@tieto.com <Janusz.Dziedzic@tieto.com>
Mon, 7 Nov 2011 07:47:47 +0000 (09:47 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 7 Nov 2011 18:19:15 +0000 (13:19 -0500)
Set IEEE80211_FCTL_MOREDATA bit also in case we have buffered
frames (more than one) only for one AC.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
net/mac80211/sta_info.c

index ce962d2c8782e5ec148884ca1ef90a0aaa8e6c18..8eaa746ec7a26d7281e28d42ed3064eb970c874c 100644 (file)
@@ -1354,12 +1354,12 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
                         * Use MoreData flag to indicate whether there are
                         * more buffered frames for this STA
                         */
-                       if (!more_data)
-                               hdr->frame_control &=
-                                       cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
-                       else
+                       if (more_data || !skb_queue_empty(&frames))
                                hdr->frame_control |=
                                        cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+                       else
+                               hdr->frame_control &=
+                                       cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
 
                        if (ieee80211_is_data_qos(hdr->frame_control) ||
                            ieee80211_is_qos_nullfunc(hdr->frame_control))