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

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SVN-Revision: 18859
This commit is contained in:
Felix Fietkau 2009-12-20 11:04:43 +00:00
parent 6859128d3a
commit 6d3d1504cf
1 changed files with 20 additions and 0 deletions
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20
package/mac80211/patches/200-mac80211_ibss_fix.patch Normal file
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@ -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;