mac80211: also drop qos-nullfunc frames silently
We drop nullfunc frames, but not qos-nullfunc frames,
even though those could be used for PS state control
as well.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f862399..51cb8bc 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -886,12 +886,17 @@
}
}
- /* Drop data::nullfunc frames silently, since they are used only to
- * control station power saving mode. */
- if (ieee80211_is_nullfunc(hdr->frame_control)) {
+ /*
+ * Drop (qos-)data::nullfunc frames silently, since they
+ * are used only to control station power saving mode.
+ */
+ if (ieee80211_is_nullfunc(hdr->frame_control) ||
+ ieee80211_is_qos_nullfunc(hdr->frame_control)) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);
- /* Update counter and free packet here to avoid counting this
- * as a dropped packed. */
+ /*
+ * Update counter and free packet here to avoid
+ * counting this as a dropped packed.
+ */
sta->rx_packets++;
dev_kfree_skb(rx->skb);
return RX_QUEUED;
