commit 3aa569c3fedbd0d16041d08bf6e89b8c43aee650
author Johannes Berg <johannes.berg@intel.com> Wed Jul 18 12:42:58 2012 +0200
committer Johannes Berg <johannes.berg@intel.com> Tue Jul 24 16:54:11 2012 +0200
tree c7841c94c5546a674f98fedd4715006222b279c9
parent 8a70e7f8f3081770238fbe19f78116af1d4b0652

mac80211: fix scan_sdata assignment

We need to use RCU to assign scan_sdata.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/scan.c

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 169da07..7644181 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -304,7 +304,7 @@
 	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;