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authorSujith <Sujith.Manoharan@atheros.com>2009-11-02 12:33:23 +0530
committerGreg Kroah-Hartman <gregkh@suse.de>2010-01-06 15:04:08 -0800
commit9f7028e71d940aadcdea9f777286b066971ba5da (patch)
tree9e2ea9ca82522ae409410deef74e1d3863d802cc /net
parent0b41c5a957e4fb2be4a8ef960e4e50c8791999f3 (diff)
mac80211: Fix IBSS merge
commit 450aae3d7b60a970f266349a837dfb30a539198b upstream. Currently, in IBSS mode, a single creator would go into a loop trying to merge/scan. This happens because the IBSS timer is rearmed on finishing a scan and the subsequent timer invocation requests another scan immediately. This patch fixes this issue by checking if we have just completed a scan run trying to merge with other IBSS networks. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Cc: Luis Rodriguez <lrodriguez@atheros.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/ibss.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index f1362f32c17d..fbffce90edbc 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -455,6 +455,10 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
ieee80211_sta_expire(sdata, IEEE80211_IBSS_INACTIVITY_LIMIT);
+ if (time_before(jiffies, ifibss->last_scan_completed +
+ IEEE80211_IBSS_MERGE_INTERVAL))
+ return;
+
if (ieee80211_sta_active_ibss(sdata))
return;