From 9c2cfd7a1bfc67cc12e08160d9808f39fd68e318 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 14 Sep 2010 21:13:01 +0000 Subject: [PATCH] mac80211: add a pending fix for a locking error in the aggregation reorder release code SVN-Revision: 23060 --- .../300-mac80211_release_reorder_fix.patch | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 package/mac80211/patches/300-mac80211_release_reorder_fix.patch diff --git a/package/mac80211/patches/300-mac80211_release_reorder_fix.patch b/package/mac80211/patches/300-mac80211_release_reorder_fix.patch new file mode 100644 index 000000000000..a42d7ec13a60 --- /dev/null +++ b/package/mac80211/patches/300-mac80211_release_reorder_fix.patch @@ -0,0 +1,25 @@ +[PATCH] mac80211: hoist sta->lock from reorder release timer + +The patch "mac80211: AMPDU rx reorder timeout timer" clashes +with "mac80211: use netif_receive_skb in ieee80211_rx callpath" + +The timer itself is part of the station's private struct and +it gets killed whenever the station is removed. Therefore +the extra sta->lock protection (that can interferes with the +tx path) is not necessary. + +Reported-by: Ming Lei +Signed-off-by: Christian Lamparter +--- +--- a/net/mac80211/agg-rx.c ++++ b/net/mac80211/agg-rx.c +@@ -129,9 +129,7 @@ static void sta_rx_agg_reorder_timer_exp + timer_to_tid[0]); + + rcu_read_lock(); +- spin_lock(&sta->lock); + ieee80211_release_reorder_timeout(sta, *ptid); +- spin_unlock(&sta->lock); + rcu_read_unlock(); + } + -- 2.30.2