madwifi: fix a wds related race condition

[openwrt.git] / package / madwifi / patches / 441-fix_ibss_node_handling.patch

diff --git a/package/madwifi/patches/441-fix_ibss_node_handling.patch b/package/madwifi/patches/441-fix_ibss_node_handling.patch
index 13f15fb..b12cf67 100644 (file)
--- a/package/madwifi/patches/441-fix_ibss_node_handling.patch
+++ b/package/madwifi/patches/441-fix_ibss_node_handling.patch
@@ -1,6 +1,6 @@
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -6642,10 +6642,8 @@ static void
+@@ -6641,10 +6641,8 @@ static void
  ath_recv_mgmt(struct ieee80211vap * vap, struct ieee80211_node *ni_or_null,
        struct sk_buff *skb, int subtype, int rssi, u_int64_t rtsf)
  {
@@ -12,7 +12,7 @@
        struct ieee80211_node * ni = ni_or_null;
        u_int64_t hw_tsf, beacon_tsf;
        u_int32_t hw_tu, beacon_tu, intval;
-@@ -6687,7 +6685,7 @@ ath_recv_mgmt(struct ieee80211vap * vap,
+@@ -6686,7 +6684,7 @@ ath_recv_mgmt(struct ieee80211vap * vap,
                }
                if ((vap->iv_opmode == IEEE80211_M_IBSS) &&
                                (sc->sc_opmode == HAL_M_HOSTAP) &&
@@ -44,7 +44,7 @@
                        if (dir != IEEE80211_FC1_DIR_NODS) {
                                IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
                                        wh, "data", "invalid dir 0x%x", dir);
-@@ -3548,6 +3553,11 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3556,6 +3561,11 @@ ieee80211_recv_mgmt(struct ieee80211vap 
                        } else if (vap->iv_opmode == IEEE80211_M_WDS) {
                                found = 1;
                                ni = ni_or_null = vap->iv_wdsnode;
@@ -56,7 +56,7 @@
                        }
                        IEEE80211_UNLOCK_IRQ(vap->iv_ic);
  
-@@ -3672,19 +3682,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3684,19 +3694,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
                        vap->iv_stats.is_rx_ssidmismatch++; /*XXX*/
                        return;
                }
@@ -78,3 +78,14 @@
                        if (ni == NULL)
                                return;
                        allocbs = 1;
+--- a/net80211/ieee80211_node.c
++++ b/net80211/ieee80211_node.c
+@@ -601,6 +601,8 @@ ieee80211_ibss_merge(struct ieee80211_no
+               ic->ic_flags & IEEE80211_F_SHPREAMBLE ? "short" : "long",
+               ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long",
+               ic->ic_flags & IEEE80211_F_USEPROT ? ", protection" : "");
++      if (!IEEE80211_ADDR_EQ(ni->ni_bssid, vap->iv_bssid))
++              ieee80211_node_table_reset(&vap->iv_ic->ic_sta, vap);
+       return ieee80211_sta_join1(ieee80211_ref_node(ni));
+ }
+ EXPORT_SYMBOL(ieee80211_ibss_merge);