From 872d5928d93dcbb73d86a06bfe3981cbd3e35baf Mon Sep 17 00:00:00 2001 From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> Date: Tue, 14 Sep 2010 21:13:01 +0000 Subject: mac80211: add a pending fix for a locking error in the aggregation reorder release code git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23060 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches/300-mac80211_release_reorder_fix.patch | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 package/mac80211/patches/300-mac80211_release_reorder_fix.patch (limited to 'package/mac80211/patches') 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 000000000..a42d7ec13 --- /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 <tom.leiming@gmail.com> +Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> +--- +--- 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(); + } + -- cgit v1.2.3