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mac80211: fix scan_sdata assignment
author
Johannes Berg
<johannes.berg@intel.com>
Wed, 18 Jul 2012 10:42:58 +0000
(12:42 +0200)
committer
Johannes Berg
<johannes.berg@intel.com>
Tue, 24 Jul 2012 14:54:11 +0000
(16:54 +0200)
We need to use RCU to assign scan_sdata.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/scan.c
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diff --git
a/net/mac80211/scan.c
b/net/mac80211/scan.c
index
169da07
..
7644181
100644
(file)
--- a/
net/mac80211/scan.c
+++ b/
net/mac80211/scan.c
@@
-304,7
+304,7
@@
static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
if (local->scan_req != local->int_scan_req)
cfg80211_scan_done(local->scan_req, aborted);
local->scan_req = NULL;
-
local->scan_sdata = NULL
;
+
rcu_assign_pointer(local->scan_sdata, NULL)
;
local->scanning = 0;
local->scan_channel = NULL;