5 files changed, 38 insertions, 36 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8e53ce7ed444..c7314bf4bec2 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -354,7 +354,7 @@ struct ieee80211_if_sta {
         int preq_queue_len;
         struct mesh_stats mshstats;
         struct mesh_config mshcfg;
-        u8 mesh_seqnum[3];
+        u32 mesh_seqnum;
         bool accepting_plinks;
 #endif
         u16 aid;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index e9a978979d38..9ad4e3631b6b 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -255,22 +255,8 @@ static int ieee80211_open(struct net_device *dev)
 
         switch (sdata->vif.type) {
         case IEEE80211_IF_TYPE_WDS:
-                if (is_zero_ether_addr(sdata->u.wds.remote_addr))
+                if (!is_valid_ether_addr(sdata->u.wds.remote_addr))
                         return -ENOLINK;
-
-                /* Create STA entry for the WDS peer */
-                sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
-                                     GFP_KERNEL);
-                if (!sta)
-                        return -ENOMEM;
-
-                sta->flags |= WLAN_STA_AUTHORIZED;
-
-                res = sta_info_insert(sta);
-                if (res) {
-                        /* STA has been freed */
-                        return res;
-                }
                 break;
         case IEEE80211_IF_TYPE_VLAN:
                 if (!sdata->u.vlan.ap)
@@ -337,10 +323,8 @@ static int ieee80211_open(struct net_device *dev)
                 conf.type = sdata->vif.type;
                 conf.mac_addr = dev->dev_addr;
                 res = local->ops->add_interface(local_to_hw(local), &conf);
-                if (res && !local->open_count && local->ops->stop)
-                        local->ops->stop(local_to_hw(local));
                 if (res)
-                        return res;
+                        goto err_stop;
 
                 ieee80211_if_config(dev);
                 ieee80211_reset_erp_info(dev);
@@ -353,9 +337,29 @@ static int ieee80211_open(struct net_device *dev)
                         netif_carrier_on(dev);
         }
 
+        if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
+                /* Create STA entry for the WDS peer */
+                sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+                                     GFP_KERNEL);
+                if (!sta) {
+                        res = -ENOMEM;
+                        goto err_del_interface;
+                }
+
+                sta->flags |= WLAN_STA_AUTHORIZED;
+
+                res = sta_info_insert(sta);
+                if (res) {
+                        /* STA has been freed */
+                        goto err_del_interface;
+                }
+        }
+
         if (local->open_count == 0) {
                 res = dev_open(local->mdev);
                 WARN_ON(res);
+                if (res)
+                        goto err_del_interface;
                 tasklet_enable(&local->tx_pending_tasklet);
                 tasklet_enable(&local->tasklet);
         }
@@ -390,6 +394,12 @@ static int ieee80211_open(struct net_device *dev)
         netif_start_queue(dev);
 
         return 0;
+ err_del_interface:
+        local->ops->remove_interface(local_to_hw(local), &conf);
+ err_stop:
+        if (!local->open_count && local->ops->stop)
+                local->ops->stop(local_to_hw(local));
+        return res;
 }
 
 static int ieee80211_stop(struct net_device *dev)
@@ -975,6 +985,7 @@ static int __ieee80211_if_config(struct net_device *dev,
                 conf.ssid_len = sdata->u.sta.ssid_len;
         } else if (ieee80211_vif_is_mesh(&sdata->vif)) {
                 conf.beacon = beacon;
+                conf.beacon_control = control;
                 ieee80211_start_mesh(dev);
         } else if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
                 conf.ssid = sdata->u.ap.ssid;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 594a3356a508..f76bc26ae4d2 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -8,6 +8,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <asm/unaligned.h>
 #include "ieee80211_i.h"
 #include "mesh.h"
 
@@ -167,8 +168,8 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
         struct rmc_entry *p, *n;
 
         /* Don't care about endianness since only match matters */
-        memcpy(&seqnum, mesh_hdr->seqnum, sizeof(mesh_hdr->seqnum));
-        idx = mesh_hdr->seqnum[0] & rmc->idx_mask;
+        memcpy(&seqnum, &mesh_hdr->seqnum, sizeof(mesh_hdr->seqnum));
+        idx = le32_to_cpu(mesh_hdr->seqnum) & rmc->idx_mask;
         list_for_each_entry_safe(p, n, &rmc->bucket[idx].list, list) {
                 ++entries;
                 if (time_after(jiffies, p->exp_time) ||
@@ -393,16 +394,8 @@ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
 {
         meshhdr->flags = 0;
         meshhdr->ttl = sdata->u.sta.mshcfg.dot11MeshTTL;
-
-        meshhdr->seqnum[0] = sdata->u.sta.mesh_seqnum[0]++;
-        meshhdr->seqnum[1] = sdata->u.sta.mesh_seqnum[1];
-        meshhdr->seqnum[2] = sdata->u.sta.mesh_seqnum[2];
-
-        if (sdata->u.sta.mesh_seqnum[0] == 0) {
-                sdata->u.sta.mesh_seqnum[1]++;
-                if (sdata->u.sta.mesh_seqnum[1] == 0)
-                        sdata->u.sta.mesh_seqnum[2]++;
-        }
+        put_unaligned(cpu_to_le32(sdata->u.sta.mesh_seqnum), &meshhdr->seqnum);
+        sdata->u.sta.mesh_seqnum++;
 
         return 5;
 }
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 9ee3affab346..2e161f6d8288 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -140,7 +140,7 @@ struct rmc_entry {
 
 struct mesh_rmc {
         struct rmc_entry bucket[RMC_BUCKETS];
-        u8 idx_mask;
+        u32 idx_mask;
 };
 
 
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index dddbfd60f351..09093da24af6 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -230,10 +230,8 @@ void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
 
         iv16 = data[hdr_len] << 8;
         iv16 += data[hdr_len + 2];
-        iv32 = data[hdr_len + 4] +
-                (data[hdr_len + 5] >> 8) +
-                (data[hdr_len + 6] >> 16) +
-                (data[hdr_len + 7] >> 24);
+        iv32 = data[hdr_len + 4] | (data[hdr_len + 5] << 8) |
+               (data[hdr_len + 6] << 16) | (data[hdr_len + 7] << 24);
 
 #ifdef CONFIG_TKIP_DEBUG
         printk(KERN_DEBUG "TKIP encrypt: iv16 = 0x%04x, iv32 = 0x%08x\n",