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authorFelix Fietkau <nbd@openwrt.org>2009-01-26 00:27:27 +0000
committerFelix Fietkau <nbd@openwrt.org>2009-01-26 00:27:27 +0000
commitbef07d58fc1acb1aa4584ddcc73fcae934fbaa88 (patch)
tree6ebb5dbf668b166a764bc137a476d20ac74365cf /package/madwifi/patches/393-mbss_vap_auth.patch
parentd73660e3910cfc255169d8a6c67399dee7e439b7 (diff)
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madwifi: fix a noderef problem in the mbss vap cleanup
SVN-Revision: 14191
Diffstat (limited to 'package/madwifi/patches/393-mbss_vap_auth.patch')
-rw-r--r--package/madwifi/patches/393-mbss_vap_auth.patch61
1 files changed, 44 insertions, 17 deletions
diff --git a/package/madwifi/patches/393-mbss_vap_auth.patch b/package/madwifi/patches/393-mbss_vap_auth.patch
index 48d3df3..3b8a522 100644
--- a/package/madwifi/patches/393-mbss_vap_auth.patch
+++ b/package/madwifi/patches/393-mbss_vap_auth.patch
@@ -98,7 +98,7 @@
const u_int8_t *addr;
if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
-@@ -1426,32 +1475,21 @@ ieee80211_find_rxnode(struct ieee80211co
+@@ -1426,32 +1475,24 @@ ieee80211_find_rxnode(struct ieee80211co
/* XXX check ic_bss first in station mode */
/* XXX 4-address frames? */
@@ -119,8 +119,11 @@
- return NULL;
+ ni = ieee80211_ref_node(avp->iv_wdsnode);
}
++ if (!(vap->iv_flags_ext & IEEE80211_FEXT_WDS))
++ return NULL;
++ } else {
++ return NULL;
}
-+ return ni;
}
-#ifdef IEEE80211_DEBUG_REFCNT
@@ -137,7 +140,7 @@
}
#ifdef IEEE80211_DEBUG_REFCNT
EXPORT_SYMBOL(ieee80211_find_rxnode_debug);
-@@ -1476,15 +1514,14 @@ ieee80211_find_txnode(struct ieee80211va
+@@ -1476,15 +1517,14 @@ ieee80211_find_txnode(struct ieee80211va
struct ieee80211com *ic = vap->iv_ic;
struct ieee80211_node_table *nt;
struct ieee80211_node *ni = NULL;
@@ -154,7 +157,7 @@
/*
* The destination address should be in the node table
-@@ -1502,11 +1539,22 @@ ieee80211_find_txnode(struct ieee80211va
+@@ -1502,11 +1542,22 @@ ieee80211_find_txnode(struct ieee80211va
/* XXX: Can't hold lock across dup_bss due to recursive locking. */
nt = &vap->iv_ic->ic_sta;
IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
@@ -179,7 +182,7 @@
IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
if (ni == NULL) {
-@@ -1961,13 +2009,29 @@ remove_worse_nodes(void *arg, struct iee
+@@ -1961,13 +2012,29 @@ remove_worse_nodes(void *arg, struct iee
}
}
@@ -211,19 +214,29 @@
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
-@@ -227,15 +227,22 @@ ieee80211_input(struct ieee80211vap * va
- if (!dev)
- goto out;
+@@ -216,16 +216,14 @@ ieee80211_input(struct ieee80211vap * va
-+ if ((vap->iv_dev->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
-+ goto out;
-+
-+ if (!vap->iv_bss)
-+ goto out;
+ type = -1; /* undefined */
+
+- if (!vap)
+- goto out;
++ if (!vap || !vap->iv_bss || !vap->iv_dev || !vap->iv_ic)
++ goto discard;
+
+ ic = vap->iv_ic;
+- if (!ic)
+- goto out;
+-
+ dev = vap->iv_dev;
+- if (!dev)
+- goto out;
+
++ if ((vap->iv_dev->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
++ goto discard;
+
/* initialize ni as in the previous API */
if (ni_or_null == NULL) {
- /* This function does not 'own' vap->iv_bss, so we cannot
+@@ -233,9 +231,10 @@ ieee80211_input(struct ieee80211vap * va
* guarantee its existence during the following call, hence
* briefly grab our own reference. */
ni = ieee80211_ref_node(vap->iv_bss);
@@ -236,7 +249,21 @@
KASSERT(skb->len >= sizeof(struct ieee80211_frame_min),
("frame length too short: %u", skb->len));
-@@ -933,16 +940,23 @@ int
+@@ -848,10 +847,11 @@ ieee80211_input(struct ieee80211vap * va
+ err:
+ vap->iv_devstats.rx_errors++;
+ out:
+- if (skb != NULL)
+- ieee80211_dev_kfree_skb(&skb);
+ if (ni_or_null == NULL)
+ ieee80211_unref_node(&ni);
++discard:
++ if (skb != NULL)
++ ieee80211_dev_kfree_skb(&skb);
+ return type;
+ #undef HAS_SEQ
+ }
+@@ -933,16 +933,23 @@ int
ieee80211_input_all(struct ieee80211com *ic,
struct sk_buff *skb, int rssi, u_int64_t rtsf)
{
@@ -260,7 +287,7 @@
if (TAILQ_NEXT(vap, iv_next) != NULL) {
skb1 = skb_copy(skb, GFP_ATOMIC);
if (skb1 == NULL) {
-@@ -954,8 +968,10 @@ ieee80211_input_all(struct ieee80211com
+@@ -954,8 +961,10 @@ ieee80211_input_all(struct ieee80211com
skb1 = skb;
skb = NULL;
}
@@ -272,7 +299,7 @@
if (skb != NULL) /* no vaps, reclaim skb */
ieee80211_dev_kfree_skb(&skb);
return type;
-@@ -1146,11 +1162,9 @@ ieee80211_deliver_data(struct ieee80211_
+@@ -1146,11 +1155,9 @@ ieee80211_deliver_data(struct ieee80211_
* sending it will not work; just let it be
* delivered normally.
*/