madwifi: fix some potential null pointer derefs with wds

[openwrt.git] / package / madwifi / patches / 451-ibss_race_fix.patch

diff --git a/package/madwifi/patches/451-ibss_race_fix.patch b/package/madwifi/patches/451-ibss_race_fix.patch
index d25d3cc..8349b31 100644 (file)
--- a/package/madwifi/patches/451-ibss_race_fix.patch
+++ b/package/madwifi/patches/451-ibss_race_fix.patch
@@ -53,13 +53,13 @@
                        int found = 0;
  
                        IEEE80211_LOCK_IRQ(vap->iv_ic);
-@@ -3568,14 +3561,12 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3570,14 +3563,12 @@ ieee80211_recv_mgmt(struct ieee80211vap 
                                        }
                                }
                                if (found)
 -                                      ni = ni_or_null = avp->iv_wdsnode;
 +                                      tni = ieee80211_ref_node(avp->iv_wdsnode);
-                       } else if (vap->iv_opmode == IEEE80211_M_WDS) {
+                       } else if ((vap->iv_opmode == IEEE80211_M_WDS) && vap->iv_wdsnode) {
                                found = 1;
 -                              ni = ni_or_null = vap->iv_wdsnode;
 -                      } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
@@ -72,7 +72,7 @@
                                found = 1;
                        }
                        IEEE80211_UNLOCK_IRQ(vap->iv_ic);
-@@ -3583,20 +3574,21 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3585,20 +3576,21 @@ ieee80211_recv_mgmt(struct ieee80211vap 
                        if (!found)
                                break;
  
@@ -100,7 +100,7 @@
                        } else {
                                /*
                                 * Copy data from beacon to neighbor table.
-@@ -3604,39 +3596,38 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3606,39 +3598,38 @@ ieee80211_recv_mgmt(struct ieee80211vap 
                                 * ieee80211_add_neighbor(), so we just copy
                                 * everything over to be safe.
                                 */