The patch below does not apply to the 3.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From d2722f8b87fb172ff2f31d3a2816b31d58678d40 Mon Sep 17 00:00:00 2001
From: Johannes Berg <[email protected]>
Date: Tue, 4 Mar 2014 11:43:28 +0100
Subject: [PATCH] mac80211: fix potential use-after-free

The bss struct might be freed in ieee80211_rx_bss_put(),
so we shouldn't use it afterwards.

Cc: [email protected] (3.10+)
Fixes: 817cee7675237 ("mac80211: track AP's beacon rate and give it to the 
driver")
Signed-off-by: Johannes Berg <[email protected]>

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 46b62bb3677c..423816f18b55 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2780,8 +2780,8 @@ static void ieee80211_rx_bss_info(struct 
ieee80211_sub_if_data *sdata,
        bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
                                        channel);
        if (bss) {
-               ieee80211_rx_bss_put(local, bss);
                sdata->vif.bss_conf.beacon_rate = bss->beacon_rate;
+               ieee80211_rx_bss_put(local, bss);
        }
 }
 

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