commit: 676b58c27475a9defccc025fea1cbd2b141ee539
From: Rajkumar Manoharan <[email protected]>
Date: Thu, 7 Jul 2011 23:33:39 +0530
Subject: [PATCH] mac80211: Restart STA timers only on associated state

A panic was observed when the device is failed to resume properly,
and there are no running interfaces. ieee80211_reconfig tries
to restart STA timers on unassociated state.

Cc: [email protected]
Signed-off-by: Rajkumar Manoharan <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
---
 net/mac80211/mlme.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 182cda6..b6d9bd5 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2215,6 +2215,9 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data 
*sdata)
 {
        struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 
+       if (!ifmgd->associated)
+               return;
+
        if (test_and_clear_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running))
                add_timer(&ifmgd->timer);
        if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))

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