mac80211: fix a race condition in ad-hoc bringup with fixed bssid

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18859 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-12-20 11:04:43 +00:00 · 2009-12-20 11:04:43 +00:00 · 97924c754d
parent 20bcf08698
commit 97924c754d
1 changed files with 20 additions and 0 deletions
--- a/package/mac80211/patches/200-mac80211_ibss_fix.patch
+++ b/package/mac80211/patches/200-mac80211_ibss_fix.patch
@ -0,0 +1,20 @@
+--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
+@@ -382,6 +382,7 @@ static void ieee80211_rx_bss_info(struct
+ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
+ 					u8 *bssid,u8 *addr, u32 supp_rates)
+ {
+	struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ 	struct ieee80211_local *local = sdata->local;
+ 	struct sta_info *sta;
+ 	int band = local->hw.conf.channel->band;
+@@ -397,6 +398,9 @@ struct sta_info *ieee80211_ibss_add_sta(
+ 		return NULL;
+ 	}
+ 
+	if (ifibss->state == IEEE80211_IBSS_MLME_SEARCH)
+		return NULL;
+
+ 	if (compare_ether_addr(bssid, sdata->u.ibss.bssid))
+ 		return NULL;
+