The IBSS merge code calls ieee80211_sta_expire() with a relatively
short expire timeout that purges other clients prematurely. The
expire function has to check that only the clients belonging to
the vif in question are purged.
Signed-off-by: Marek Lindner <lindner_marek@xxxxxxxx>
---
net/mac80211/sta_info.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 2db01e9..5dfcee2 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -941,6 +941,9 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
mutex_lock(&local->sta_mtx);
list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
+ if (sdata != sta->sdata)
+ continue;
+
if (time_after(jiffies, sta->last_rx + exp_time)) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: expiring inactive STA %pM\n",
--
1.7.5.4
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