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From a8f8bdd27fbac5f91aabe206f829592facb486a3 Mon Sep 17 00:00:00 2001
From: Zhu Yi <yi.zhu@intel.com>
Date: Thu, 23 Aug 2007 17:07:07 +0800
Subject: [PATCH] mac80211: fix kernel panic during shutdown time
Fix mac80211 kernel panic if shutdown the interface immeditely after
setup an IBSS network.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
---
net/mac80211/ieee80211_sta.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 324ace0..575ae68 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -4076,8 +4076,10 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
interval = IEEE80211_SCAN_INTERVAL_SLOW;
}
- ifsta->state = IEEE80211_IBSS_SEARCH;
- mod_timer(&ifsta->timer, jiffies + interval);
+ if (ifsta->state != IEEE80211_DISABLED) {
+ ifsta->state = IEEE80211_IBSS_SEARCH;
+ mod_timer(&ifsta->timer, jiffies + interval);
+ }
return 0;
}
--
1.5.2
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