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| author | Felix Fietkau <nbd@openwrt.org> | 2010-09-14 21:13:01 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2010-09-14 21:13:01 +0000 |
| commit | 9c2cfd7a1bfc67cc12e08160d9808f39fd68e318 (patch) | |
| tree | 3df2de266167c28746abec5a1e34b10c08256ab8 | |
| parent | 2c848d33a99fa55a9cae4d3c6dd89b7ee93bd70c (diff) | |
| download | mtk-20170518-9c2cfd7a1bfc67cc12e08160d9808f39fd68e318.zip mtk-20170518-9c2cfd7a1bfc67cc12e08160d9808f39fd68e318.tar.gz mtk-20170518-9c2cfd7a1bfc67cc12e08160d9808f39fd68e318.tar.bz2 | |
mac80211: add a pending fix for a locking error in the aggregation reorder release code
SVN-Revision: 23060
| -rw-r--r-- | package/mac80211/patches/300-mac80211_release_reorder_fix.patch | 25 |
1 files changed, 25 insertions, 0 deletions
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 0000000..a42d7ec --- /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(); + } + |