openwrtv3/package/madwifi/patches/451-ibss_race_fix.patch

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--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -3573,6 +3573,9 @@ ieee80211_recv_mgmt(struct ieee80211vap
found = 1;
ni = ni_or_null = vap->iv_wdsnode;
} else if (vap->iv_opmode == IEEE80211_M_IBSS) {
+ if (vap->iv_state != IEEE80211_S_RUN)
+ break;
+
ni_or_null = ieee80211_find_node(&ic->ic_sta, wh->i_addr2);
if (ni_or_null)
ni = ni_or_null;
--- a/net80211/ieee80211_node.c
+++ b/net80211/ieee80211_node.c
@@ -317,16 +317,10 @@ ieee80211_create_ibss(struct ieee80211va
/* Check to see if we already have a node for this mac
* NB: we gain a node reference here
*/
- ni = ieee80211_find_txnode(vap, vap->iv_myaddr);
+ ni = ieee80211_alloc_node(vap, vap->iv_myaddr);
if (ni == NULL) {
- ni = ieee80211_alloc_node_table(vap, vap->iv_myaddr);
- IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC,
- "%s: ni:%p allocated for " MAC_FMT "\n",
- __func__, ni, MAC_ADDR(vap->iv_myaddr));
- if (ni == NULL) {
- /* XXX recovery? */
- return;
- }
+ /* XXX recovery? */
+ return;
}
IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_myaddr);