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60b78be |
From: Ben Greear <greearb@candelatech.com>
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60b78be |
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60b78be |
I found another crash when deleting lots of virtual stations
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in a congested environment. I think the problem is that
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the ieee80211_mlme_notify_scan_completed could call
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ieee80211_restart_sta_timer for a stopped interface
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that was about to be deleted. Fix similar problem for
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mesh interfaces as well.
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60b78be |
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Signed-off-by: Ben Greear <greearb@candelatech.com>
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---
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v4: Fix up mesh as well, add check in calling code instead of
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in the methods that mucks iwth the timers.
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60b78be |
:100644 100644 67fcfdf... 02e3d75... M net/mac80211/mesh.c
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:100644 100644 aec786d... 1d237e9... M net/mac80211/mlme.c
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net/mac80211/mesh.c | 3 ++-
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net/mac80211/mlme.c | 3 ++-
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2 files changed, 4 insertions(+), 2 deletions(-)
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diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
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index 67fcfdf..02e3d75 100644
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--- a/net/mac80211/mesh.c
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+++ b/net/mac80211/mesh.c
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@@ -779,7 +779,8 @@ void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local)
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rcu_read_lock();
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list_for_each_entry_rcu(sdata, &local->interfaces, list)
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- if (ieee80211_vif_is_mesh(&sdata->vif))
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+ if (ieee80211_sdata_running(sdata)
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+ && ieee80211_vif_is_mesh(&sdata->vif))
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ieee80211_queue_work(&local->hw, &sdata->work);
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rcu_read_unlock();
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}
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diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
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index aec786d..1d237e9 100644
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--- a/net/mac80211/mlme.c
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+++ b/net/mac80211/mlme.c
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@@ -3054,7 +3054,8 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
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/* Restart STA timers */
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rcu_read_lock();
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list_for_each_entry_rcu(sdata, &local->interfaces, list)
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- ieee80211_restart_sta_timer(sdata);
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+ if (ieee80211_sdata_running(sdata))
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+ ieee80211_restart_sta_timer(sdata);
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rcu_read_unlock();
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}
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--
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1.7.3.4
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--
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