Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream

29 files changed, 391 insertions, 132 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 6c1323940263..e9db889d6222 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -62,13 +62,13 @@ struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {
         return vlan_dev_info(dev)->real_dev;
 }
-EXPORT_SYMBOL_GPL(vlan_dev_real_dev);
+EXPORT_SYMBOL(vlan_dev_real_dev);
 
 u16 vlan_dev_vlan_id(const struct net_device *dev)
 {
         return vlan_dev_info(dev)->vlan_id;
 }
-EXPORT_SYMBOL_GPL(vlan_dev_vlan_id);
+EXPORT_SYMBOL(vlan_dev_vlan_id);
 
 static int vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
                            unsigned int vlan_tci, struct sk_buff *skb)
diff --git a/net/9p/client.c b/net/9p/client.c
index 821f1ec0b2c3..1eb580c38fbb 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -618,7 +618,7 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
                 return ERR_PTR(-ENOMEM);
 
         ret = p9_idpool_get(clnt->fidpool);
-        if (fid->fid < 0) {
+        if (ret < 0) {
                 ret = -ENOSPC;
                 goto error;
         }
diff --git a/net/Kconfig b/net/Kconfig
index bf2776018f71..cdb8fdef6c4a 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -24,14 +24,6 @@ if NET
 
 menu "Networking options"
 
-config NET_NS
-        bool "Network namespace support"
-        default n
-        depends on EXPERIMENTAL && NAMESPACES
-        help
-          Allow user space to create what appear to be multiple instances
-          of the network stack.
-
 config COMPAT_NET_DEV_OPS
        def_bool y
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 8d675975d85b..5379b0c1190a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1534,7 +1534,19 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
         skb->mac_len = skb->network_header - skb->mac_header;
         __skb_pull(skb, skb->mac_len);
 
-        if (WARN_ON(skb->ip_summed != CHECKSUM_PARTIAL)) {
+        if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
+                struct net_device *dev = skb->dev;
+                struct ethtool_drvinfo info = {};
+
+                if (dev && dev->ethtool_ops && dev->ethtool_ops->get_drvinfo)
+                        dev->ethtool_ops->get_drvinfo(dev, &info);
+
+                WARN(1, "%s: caps=(0x%lx, 0x%lx) len=%d data_len=%d "
+                        "ip_summed=%d",
+                     info.driver, dev ? dev->features : 0L,
+                     skb->sk ? skb->sk->sk_route_caps : 0L,
+                     skb->len, skb->data_len, skb->ip_summed);
+
                 if (skb_header_cloned(skb) &&
                     (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
                         return ERR_PTR(err);
@@ -2524,6 +2536,7 @@ struct sk_buff *napi_fraginfo_skb(struct napi_struct *napi,
 
         if (!pskb_may_pull(skb, ETH_HLEN)) {
                 napi_reuse_skb(napi, skb);
+                skb = NULL;
                 goto out;
         }
 
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 55cffad2f328..55151faaf90c 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -341,8 +341,8 @@ again:
         rv = register_pernet_operations(first_device, ops);
         if (rv < 0)
                 ida_remove(&net_generic_ids, *id);
-        mutex_unlock(&net_mutex);
 out:
+        mutex_unlock(&net_mutex);
         return rv;
 }
 EXPORT_SYMBOL_GPL(register_pernet_gen_subsys);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 65eac7739033..da74b844f4ea 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -73,17 +73,13 @@ static struct kmem_cache *skbuff_fclone_cache __read_mostly;
 static void sock_pipe_buf_release(struct pipe_inode_info *pipe,
                                   struct pipe_buffer *buf)
 {
-        struct sk_buff *skb = (struct sk_buff *) buf->private;
-
-        kfree_skb(skb);
+        put_page(buf->page);
 }
 
 static void sock_pipe_buf_get(struct pipe_inode_info *pipe,
                                 struct pipe_buffer *buf)
 {
-        struct sk_buff *skb = (struct sk_buff *) buf->private;
-
-        skb_get(skb);
+        get_page(buf->page);
 }
 
 static int sock_pipe_buf_steal(struct pipe_inode_info *pipe,
@@ -1334,9 +1330,19 @@ fault:
  */
 static void sock_spd_release(struct splice_pipe_desc *spd, unsigned int i)
 {
-        struct sk_buff *skb = (struct sk_buff *) spd->partial[i].private;
+        put_page(spd->pages[i]);
+}
 
-        kfree_skb(skb);
+static inline struct page *linear_to_page(struct page *page, unsigned int len,
+                                          unsigned int offset)
+{
+        struct page *p = alloc_pages(GFP_KERNEL, 0);
+
+        if (!p)
+                return NULL;
+        memcpy(page_address(p) + offset, page_address(page) + offset, len);
+
+        return p;
 }
 
 /*
@@ -1344,16 +1350,23 @@ static void sock_spd_release(struct splice_pipe_desc *spd, unsigned int i)
  */
 static inline int spd_fill_page(struct splice_pipe_desc *spd, struct page *page,
                                 unsigned int len, unsigned int offset,
-                                struct sk_buff *skb)
+                                struct sk_buff *skb, int linear)
 {
         if (unlikely(spd->nr_pages == PIPE_BUFFERS))
                 return 1;
 
+        if (linear) {
+                page = linear_to_page(page, len, offset);
+                if (!page)
+                        return 1;
+        } else
+                get_page(page);
+
         spd->pages[spd->nr_pages] = page;
         spd->partial[spd->nr_pages].len = len;
         spd->partial[spd->nr_pages].offset = offset;
-        spd->partial[spd->nr_pages].private = (unsigned long) skb_get(skb);
         spd->nr_pages++;
+
         return 0;
 }
 
@@ -1369,7 +1382,7 @@ static inline void __segment_seek(struct page **page, unsigned int *poff,
 static inline int __splice_segment(struct page *page, unsigned int poff,
                                    unsigned int plen, unsigned int *off,
                                    unsigned int *len, struct sk_buff *skb,
-                                   struct splice_pipe_desc *spd)
+                                   struct splice_pipe_desc *spd, int linear)
 {
         if (!*len)
                 return 1;
@@ -1392,7 +1405,7 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
                 /* the linear region may spread across several pages  */
                 flen = min_t(unsigned int, flen, PAGE_SIZE - poff);
 
-                if (spd_fill_page(spd, page, flen, poff, skb))
+                if (spd_fill_page(spd, page, flen, poff, skb, linear))
                         return 1;
 
                 __segment_seek(&page, &poff, &plen, flen);
@@ -1419,7 +1432,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
         if (__splice_segment(virt_to_page(skb->data),
                              (unsigned long) skb->data & (PAGE_SIZE - 1),
                              skb_headlen(skb),
-                             offset, len, skb, spd))
+                             offset, len, skb, spd, 1))
                 return 1;
 
         /*
@@ -1429,7 +1442,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
                 const skb_frag_t *f = &skb_shinfo(skb)->frags[seg];
 
                 if (__splice_segment(f->page, f->page_offset, f->size,
-                                     offset, len, skb, spd))
+                                     offset, len, skb, spd, 0))
                         return 1;
         }
 
@@ -1442,7 +1455,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
  * the frag list, if such a thing exists. We'd probably need to recurse to
  * handle that cleanly.
  */
-int skb_splice_bits(struct sk_buff *__skb, unsigned int offset,
+int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
                     struct pipe_inode_info *pipe, unsigned int tlen,
                     unsigned int flags)
 {
@@ -1455,16 +1468,6 @@ int skb_splice_bits(struct sk_buff *__skb, unsigned int offset,
                 .ops = &sock_pipe_buf_ops,
                 .spd_release = sock_spd_release,
         };
-        struct sk_buff *skb;
-
-        /*
-         * I'd love to avoid the clone here, but tcp_read_sock()
-         * ignores reference counts and unconditonally kills the sk_buff
-         * on return from the actor.
-         */
-        skb = skb_clone(__skb, GFP_KERNEL);
-        if (unlikely(!skb))
-                return -ENOMEM;
 
         /*
          * __skb_splice_bits() only fails if the output has no room left,
@@ -1488,15 +1491,9 @@ int skb_splice_bits(struct sk_buff *__skb, unsigned int offset,
         }
 
 done:
-        /*
-         * drop our reference to the clone, the pipe consumption will
-         * drop the rest.
-         */
-        kfree_skb(skb);
-
         if (spd.nr_pages) {
+                struct sock *sk = skb->sk;
                 int ret;
-                struct sock *sk = __skb->sk;
 
                 /*
                  * Drop the socket lock, otherwise we have reverse
@@ -2215,10 +2212,10 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
                 return 0;
 
 next_skb:
-        block_limit = skb_headlen(st->cur_skb);
+        block_limit = skb_headlen(st->cur_skb) + st->stepped_offset;
 
         if (abs_offset < block_limit) {
-                *data = st->cur_skb->data + abs_offset;
+                *data = st->cur_skb->data + (abs_offset - st->stepped_offset);
                 return block_limit - abs_offset;
         }
 
@@ -2253,13 +2250,14 @@ next_skb:
                 st->frag_data = NULL;
         }
 
-        if (st->cur_skb->next) {
-                st->cur_skb = st->cur_skb->next;
+        if (st->root_skb == st->cur_skb &&
+            skb_shinfo(st->root_skb)->frag_list) {
+                st->cur_skb = skb_shinfo(st->root_skb)->frag_list;
                 st->frag_idx = 0;
                 goto next_skb;
-        } else if (st->root_skb == st->cur_skb &&
-                   skb_shinfo(st->root_skb)->frag_list) {
-                st->cur_skb = skb_shinfo(st->root_skb)->frag_list;
+        } else if (st->cur_skb->next) {
+                st->cur_skb = st->cur_skb->next;
+                st->frag_idx = 0;
                 goto next_skb;
         }
 
@@ -2588,8 +2586,9 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
         struct sk_buff *nskb;
         unsigned int headroom;
         unsigned int hlen = p->data - skb_mac_header(p);
+        unsigned int len = skb->len;
 
-        if (hlen + p->len + skb->len >= 65536)
+        if (hlen + p->len + len >= 65536)
                 return -E2BIG;
 
         if (skb_shinfo(p)->frag_list)
@@ -2651,9 +2650,9 @@ merge:
 
 done:
         NAPI_GRO_CB(p)->count++;
-        p->data_len += skb->len;
-        p->truesize += skb->len;
-        p->len += skb->len;
+        p->data_len += len;
+        p->truesize += len;
+        p->len += len;
 
         NAPI_GRO_CB(skb)->same_flow = 1;
         return 0;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 42a0f3dd3fd6..d722013c1cae 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1268,6 +1268,9 @@ __be32 __init root_nfs_parse_addr(char *name)
 static int __init ip_auto_config(void)
 {
         __be32 addr;
+#ifdef IPCONFIG_DYNAMIC
+        int retries = CONF_OPEN_RETRIES;
+#endif
 
 #ifdef CONFIG_PROC_FS
         proc_net_fops_create(&init_net, "pnp", S_IRUGO, &pnp_seq_fops);
@@ -1304,9 +1307,6 @@ static int __init ip_auto_config(void)
 #endif
             ic_first_dev->next) {
 #ifdef IPCONFIG_DYNAMIC
-
-                int retries = CONF_OPEN_RETRIES;
-
                 if (ic_dynamic() < 0) {
                         ic_close_devs();
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0cd71b84e483..76b148bcb0dc 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -524,7 +524,8 @@ static int tcp_splice_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb,
         struct tcp_splice_state *tss = rd_desc->arg.data;
         int ret;
 
-        ret = skb_splice_bits(skb, offset, tss->pipe, rd_desc->count, tss->flags);
+        ret = skb_splice_bits(skb, offset, tss->pipe, min(rd_desc->count, len),
+                              tss->flags);
         if (ret > 0)
                 rd_desc->count -= ret;
         return ret;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cf5ab0581eba..b7faffe5c029 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -120,8 +120,11 @@ EXPORT_SYMBOL(sysctl_udp_wmem_min);
 atomic_t udp_memory_allocated;
 EXPORT_SYMBOL(udp_memory_allocated);
 
+#define PORTS_PER_CHAIN (65536 / UDP_HTABLE_SIZE)
+
 static int udp_lib_lport_inuse(struct net *net, __u16 num,
                                const struct udp_hslot *hslot,
+                               unsigned long *bitmap,
                                struct sock *sk,
                                int (*saddr_comp)(const struct sock *sk1,
                                                  const struct sock *sk2))
@@ -132,12 +135,17 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
         sk_nulls_for_each(sk2, node, &hslot->head)
                 if (net_eq(sock_net(sk2), net)                  &&
                     sk2 != sk                                   &&
-                    sk2->sk_hash == num                         &&
+                    (bitmap || sk2->sk_hash == num)             &&
                     (!sk2->sk_reuse || !sk->sk_reuse)           &&
                     (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if
                         || sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
-                    (*saddr_comp)(sk, sk2))
-                        return 1;
+                    (*saddr_comp)(sk, sk2)) {
+                        if (bitmap)
+                                __set_bit(sk2->sk_hash / UDP_HTABLE_SIZE,
+                                          bitmap);
+                        else
+                                return 1;
+                }
         return 0;
 }
 
@@ -160,32 +168,47 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
         if (!snum) {
                 int low, high, remaining;
                 unsigned rand;
-                unsigned short first;
+                unsigned short first, last;
+                DECLARE_BITMAP(bitmap, PORTS_PER_CHAIN);
 
                 inet_get_local_port_range(&low, &high);
                 remaining = (high - low) + 1;
 
                 rand = net_random();
-                snum = first = rand % remaining + low;
-                rand |= 1;
-                for (;;) {
-                        hslot = &udptable->hash[udp_hashfn(net, snum)];
+                first = (((u64)rand * remaining) >> 32) + low;
+                /*
+                 * force rand to be an odd multiple of UDP_HTABLE_SIZE
+                 */
+                rand = (rand | 1) * UDP_HTABLE_SIZE;
+                for (last = first + UDP_HTABLE_SIZE; first != last; first++) {
+                        hslot = &udptable->hash[udp_hashfn(net, first)];
+                        bitmap_zero(bitmap, PORTS_PER_CHAIN);
                         spin_lock_bh(&hslot->lock);
-                        if (!udp_lib_lport_inuse(net, snum, hslot, sk, saddr_comp))
-                                break;
-                        spin_unlock_bh(&hslot->lock);
+                        udp_lib_lport_inuse(net, snum, hslot, bitmap, sk,
+                                            saddr_comp);
+
+                        snum = first;
+                        /*
+                         * Iterate on all possible values of snum for this hash.
+                         * Using steps of an odd multiple of UDP_HTABLE_SIZE
+                         * give us randomization and full range coverage.
+                         */
                         do {
-                                snum = snum + rand;
-                        } while (snum < low || snum > high);
-                        if (snum == first)
-                                goto fail;
+                                if (low <= snum && snum <= high &&
+                                    !test_bit(snum / UDP_HTABLE_SIZE, bitmap))
+                                        goto found;
+                                snum += rand;
+                        } while (snum != first);
+                        spin_unlock_bh(&hslot->lock);
                 }
+                goto fail;
         } else {
                 hslot = &udptable->hash[udp_hashfn(net, snum)];
                 spin_lock_bh(&hslot->lock);
-                if (udp_lib_lport_inuse(net, snum, hslot, sk, saddr_comp))
+                if (udp_lib_lport_inuse(net, snum, hslot, NULL, sk, saddr_comp))
                         goto fail_unlock;
         }
+found:
         inet_sk(sk)->num = snum;
         sk->sk_hash = snum;
         if (sk_unhashed(sk)) {
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e92ad8455c63..f9afb452249c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4250,7 +4250,7 @@ static struct addrconf_sysctl_table
                         .procname       =       "mc_forwarding",
                         .data           =       &ipv6_devconf.mc_forwarding,
                         .maxlen         =       sizeof(int),
-                        .mode           =       0644,
+                        .mode           =       0444,
                         .proc_handler   =       proc_dointvec,
                 },
 #endif
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 94f74f5b0cbf..c802bc1658a8 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -797,6 +797,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
         unsigned int nlen;
         int flush = 1;
         int proto;
+        __wsum csum;
 
         if (unlikely(!pskb_may_pull(skb, sizeof(*iph))))
                 goto out;
@@ -808,6 +809,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
 
         rcu_read_lock();
         proto = ipv6_gso_pull_exthdrs(skb, iph->nexthdr);
+        iph = ipv6_hdr(skb);
         IPV6_GRO_CB(skb)->proto = proto;
         ops = rcu_dereference(inet6_protos[proto]);
         if (!ops || !ops->gro_receive)
@@ -839,8 +841,13 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
 
         NAPI_GRO_CB(skb)->flush |= flush;
 
+        csum = skb->csum;
+        skb_postpull_rcsum(skb, iph, skb_network_header_len(skb));
+
         pp = ops->gro_receive(head, skb);
 
+        skb->csum = csum;
+
 out_unlock:
         rcu_read_unlock();
 
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4f433847d95f..36dff8807183 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -443,10 +443,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
         if (xfrm_decode_session_reverse(skb, &fl2, AF_INET6))
                 goto relookup_failed;
 
-        if (ip6_dst_lookup(sk, &dst2, &fl))
+        if (ip6_dst_lookup(sk, &dst2, &fl2))
                 goto relookup_failed;
 
-        err = xfrm_lookup(net, &dst2, &fl, sk, XFRM_LOOKUP_ICMP);
+        err = xfrm_lookup(net, &dst2, &fl2, sk, XFRM_LOOKUP_ICMP);
         switch (err) {
         case 0:
                 dst_release(dst);
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 936f48946e20..f171e8dbac91 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -255,6 +255,7 @@ int ip6_mc_input(struct sk_buff *skb)
          *      IPv6 multicast router mode is now supported ;)
          */
         if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding &&
+            !(ipv6_addr_type(&hdr->daddr) & IPV6_ADDR_LINKLOCAL) &&
             likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) {
                 /*
                  * Okay, we try to forward - split and duplicate
@@ -316,7 +317,6 @@ int ip6_mc_input(struct sk_buff *skb)
                 }
 
                 if (skb2) {
-                        skb2->dev = skb2->dst->dev;
                         ip6_mr_input(skb2);
                 }
         }
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 3c51b2d827f4..228be551e9c1 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -48,6 +48,7 @@
 #include <linux/pim.h>
 #include <net/addrconf.h>
 #include <linux/netfilter_ipv6.h>
+#include <net/ip6_checksum.h>
 
 /* Big lock, protecting vif table, mrt cache and mroute socket state.
    Note that the changes are semaphored via rtnl_lock.
@@ -365,7 +366,9 @@ static int pim6_rcv(struct sk_buff *skb)
         pim = (struct pimreghdr *)skb_transport_header(skb);
         if (pim->type != ((PIM_VERSION << 4) | PIM_REGISTER) ||
             (pim->flags & PIM_NULL_REGISTER) ||
-            (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
+            (csum_ipv6_magic(&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
+                             sizeof(*pim), IPPROTO_PIM,
+                             csum_partial((void *)pim, sizeof(*pim), 0)) &&
              csum_fold(skb_checksum(skb, 0, skb->len, 0))))
                 goto drop;
 
@@ -392,7 +395,7 @@ static int pim6_rcv(struct sk_buff *skb)
         skb_pull(skb, (u8 *)encap - skb->data);
         skb_reset_network_header(skb);
         skb->dev = reg_dev;
-        skb->protocol = htons(ETH_P_IP);
+        skb->protocol = htons(ETH_P_IPV6);
         skb->ip_summed = 0;
         skb->pkt_type = PACKET_HOST;
         dst_release(skb->dst);
@@ -481,6 +484,7 @@ static int mif6_delete(struct net *net, int vifi)
 {
         struct mif_device *v;
         struct net_device *dev;
+        struct inet6_dev *in6_dev;
         if (vifi < 0 || vifi >= net->ipv6.maxvif)
                 return -EADDRNOTAVAIL;
 
@@ -513,6 +517,10 @@ static int mif6_delete(struct net *net, int vifi)
 
         dev_set_allmulti(dev, -1);
 
+        in6_dev = __in6_dev_get(dev);
+        if (in6_dev)
+                in6_dev->cnf.mc_forwarding--;
+
         if (v->flags & MIFF_REGISTER)
                 unregister_netdevice(dev);
 
@@ -622,6 +630,7 @@ static int mif6_add(struct net *net, struct mif6ctl *vifc, int mrtsock)
         int vifi = vifc->mif6c_mifi;
         struct mif_device *v = &net->ipv6.vif6_table[vifi];
         struct net_device *dev;
+        struct inet6_dev *in6_dev;
         int err;
 
         /* Is vif busy ? */
@@ -662,6 +671,10 @@ static int mif6_add(struct net *net, struct mif6ctl *vifc, int mrtsock)
                 return -EINVAL;
         }
 
+        in6_dev = __in6_dev_get(dev);
+        if (in6_dev)
+                in6_dev->cnf.mc_forwarding++;
+
         /*
          *      Fill in the VIF structures
          */
@@ -838,8 +851,6 @@ static int ip6mr_cache_report(struct net *net, struct sk_buff *pkt, mifi_t mifi,
 
         skb->dst = dst_clone(pkt->dst);
         skb->ip_summed = CHECKSUM_UNNECESSARY;
-
-        skb_pull(skb, sizeof(struct ipv6hdr));
         }
 
         if (net->ipv6.mroute6_sk == NULL) {
@@ -1222,8 +1233,10 @@ static int ip6mr_sk_init(struct sock *sk)
 
         rtnl_lock();
         write_lock_bh(&mrt_lock);
-        if (likely(net->ipv6.mroute6_sk == NULL))
+        if (likely(net->ipv6.mroute6_sk == NULL)) {
                 net->ipv6.mroute6_sk = sk;
+                net->ipv6.devconf_all->mc_forwarding++;
+        }
         else
                 err = -EADDRINUSE;
         write_unlock_bh(&mrt_lock);
@@ -1242,6 +1255,7 @@ int ip6mr_sk_done(struct sock *sk)
         if (sk == net->ipv6.mroute6_sk) {
                 write_lock_bh(&mrt_lock);
                 net->ipv6.mroute6_sk = NULL;
+                net->ipv6.devconf_all->mc_forwarding--;
                 write_unlock_bh(&mrt_lock);
 
                 mroute_clean_tables(net);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c4a59824ac2c..9c574235c905 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -794,7 +794,7 @@ void ip6_route_input(struct sk_buff *skb)
                 .proto = iph->nexthdr,
         };
 
-        if (rt6_need_strict(&iph->daddr))
+        if (rt6_need_strict(&iph->daddr) && skb->dev->type != ARPHRD_PIMREG)
                 flags |= RT6_LOOKUP_F_IFACE;
 
         skb->dst = fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input);
diff --git a/net/key/af_key.c b/net/key/af_key.c
index f8bd8df5e257..7dcbde3ea7d9 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1285,6 +1285,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
                                 ext_hdrs[SADB_X_EXT_NAT_T_DPORT-1];
                         natt->encap_dport = n_port->sadb_x_nat_t_port_port;
                 }
+                memset(&natt->encap_oa, 0, sizeof(natt->encap_oa));
         }
 
         err = xfrm_init_state(x);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5ba721b6a399..2b890af01ba4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -620,8 +620,8 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
         if (use_short_slot != bss_conf->use_short_slot) {
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
                 if (net_ratelimit()) {
-                        printk(KERN_DEBUG "%s: switched to %s slot"
-                               " (BSSID=%s)\n",
+                        printk(KERN_DEBUG "%s: switched to %s slot time"
+                               " (BSSID=%pM)\n",
                                sdata->dev->name,
                                use_short_slot ? "short" : "long",
                                ifsta->bssid);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index dc2606d0ae77..e49a5b99cf10 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -195,7 +195,6 @@ struct sta_ampdu_mlme {
  * @tx_packets: number of RX/TX MSDUs
  * @tx_bytes: number of bytes transmitted to this STA
  * @tx_fragments: number of transmitted MPDUs
- * @last_txrate: description of the last used transmit rate
  * @tid_seq: per-TID sequence numbers for sending to this STA
  * @ampdu_mlme: A-MPDU state machine state
  * @timer_to_tid: identity mapping to ID timers
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a4af3a124cce..4278e545638f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1307,8 +1307,10 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 if (is_multicast_ether_addr(hdr->addr3))
                         memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
                 else
-                        if (mesh_nexthop_lookup(skb, osdata))
-                                return  0;
+                        if (mesh_nexthop_lookup(skb, osdata)) {
+                                dev_put(odev);
+                                return 0;
+                        }
                 if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0)
                         IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.mesh,
                                                             fwded_frames);
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 3dddec6d2f7e..c32a7e8e3a1b 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -831,13 +831,16 @@ ctnetlink_parse_nat_setup(struct nf_conn *ct,
         if (!parse_nat_setup) {
 #ifdef CONFIG_MODULES
                 rcu_read_unlock();
+                spin_unlock_bh(&nf_conntrack_lock);
                 nfnl_unlock();
                 if (request_module("nf-nat-ipv4") < 0) {
                         nfnl_lock();
+                        spin_lock_bh(&nf_conntrack_lock);
                         rcu_read_lock();
                         return -EOPNOTSUPP;
                 }
                 nfnl_lock();
+                spin_lock_bh(&nf_conntrack_lock);
                 rcu_read_lock();
                 if (nfnetlink_parse_nat_setup_hook)
                         return -EAGAIN;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 5f94db2f3e9e..9454d4ae46df 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -77,6 +77,7 @@
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/mutex.h>
 
 #ifdef CONFIG_INET
 #include <net/inet_common.h>
@@ -175,6 +176,7 @@ struct packet_sock {
 #endif
         struct packet_type      prot_hook;
         spinlock_t              bind_lock;
+        struct mutex            pg_vec_lock;
         unsigned int            running:1,      /* prot_hook is attached*/
                                 auxdata:1,
                                 origdev:1;
@@ -1069,6 +1071,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
          */
 
         spin_lock_init(&po->bind_lock);
+        mutex_init(&po->pg_vec_lock);
         po->prot_hook.func = packet_rcv;
 
         if (sock->type == SOCK_PACKET)
@@ -1865,6 +1868,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
         synchronize_net();
 
         err = -EBUSY;
+        mutex_lock(&po->pg_vec_lock);
         if (closing || atomic_read(&po->mapped) == 0) {
                 err = 0;
 #define XC(a, b) ({ __typeof__ ((a)) __t; __t = (a); (a) = (b); __t; })
@@ -1886,6 +1890,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
                 if (atomic_read(&po->mapped))
                         printk(KERN_DEBUG "packet_mmap: vma is busy: %d\n", atomic_read(&po->mapped));
         }
+        mutex_unlock(&po->pg_vec_lock);
 
         spin_lock(&po->bind_lock);
         if (was_running && !po->running) {
@@ -1918,7 +1923,7 @@ static int packet_mmap(struct file *file, struct socket *sock, struct vm_area_st
 
         size = vma->vm_end - vma->vm_start;
 
-        lock_sock(sk);
+        mutex_lock(&po->pg_vec_lock);
         if (po->pg_vec == NULL)
                 goto out;
         if (size != po->pg_vec_len*po->pg_vec_pages*PAGE_SIZE)
@@ -1941,7 +1946,7 @@ static int packet_mmap(struct file *file, struct socket *sock, struct vm_area_st
         err = 0;
 
 out:
-        release_sock(sk);
+        mutex_unlock(&po->pg_vec_lock);
         return err;
 }
 #endif
diff --git a/net/sctp/input.c b/net/sctp/input.c
index bf612d954d41..2e4a8646dbc3 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -249,6 +249,19 @@ int sctp_rcv(struct sk_buff *skb)
          */
         sctp_bh_lock_sock(sk);
 
+        if (sk != rcvr->sk) {
+                /* Our cached sk is different from the rcvr->sk.  This is
+                 * because migrate()/accept() may have moved the association
+                 * to a new socket and released all the sockets.  So now we
+                 * are holding a lock on the old socket while the user may
+                 * be doing something with the new socket.  Switch our veiw
+                 * of the current sk.
+                 */
+                sctp_bh_unlock_sock(sk);
+                sk = rcvr->sk;
+                sctp_bh_lock_sock(sk);
+        }
+
         if (sock_owned_by_user(sk)) {
                 SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_BACKLOG);
                 sctp_add_backlog(sk, skb);
diff --git a/net/sctp/output.c b/net/sctp/output.c
index c3f417f7ec6e..73639355157e 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -324,14 +324,16 @@ append:
         switch (chunk->chunk_hdr->type) {
             case SCTP_CID_DATA:
                 retval = sctp_packet_append_data(packet, chunk);
+                if (SCTP_XMIT_OK != retval)
+                        goto finish;
                 /* Disallow SACK bundling after DATA. */
                 packet->has_sack = 1;
                 /* Disallow AUTH bundling after DATA */
                 packet->has_auth = 1;
                 /* Let it be knows that packet has DATA in it */
                 packet->has_data = 1;
-                if (SCTP_XMIT_OK != retval)
-                        goto finish;
+                /* timestamp the chunk for rtx purposes */
+                chunk->sent_at = jiffies;
                 break;
             case SCTP_CID_COOKIE_ECHO:
                 packet->has_cookie_echo = 1;
@@ -470,7 +472,6 @@ int sctp_packet_transmit(struct sctp_packet *packet)
                         } else
                                 chunk->resent = 1;
 
-                        chunk->sent_at = jiffies;
                         has_data = 1;
                 }
 
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 247ebc95c1e5..bc411c896216 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -929,7 +929,6 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
                 }
 
                 /* Finally, transmit new packets.  */
-                start_timer = 0;
                 while ((chunk = sctp_outq_dequeue_data(q)) != NULL) {
                         /* RFC 2960 6.5 Every DATA chunk MUST carry a valid
                          * stream identifier.
@@ -1028,7 +1027,7 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
                         list_add_tail(&chunk->transmitted_list,
                                       &transport->transmitted);
 
-                        sctp_transport_reset_timers(transport, start_timer-1);
+                        sctp_transport_reset_timers(transport, 0);
 
                         q->empty = 0;
 
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
new file mode 100644
index 000000000000..dcef600d0bf5
--- /dev/null
+++ b/net/sunrpc/Kconfig
@@ -0,0 +1,78 @@
+config SUNRPC
+        tristate
+
+config SUNRPC_GSS
+        tristate
+
+config SUNRPC_XPRT_RDMA
+        tristate
+        depends on SUNRPC && INFINIBAND && EXPERIMENTAL
+        default SUNRPC && INFINIBAND
+        help
+          This option allows the NFS client and server to support
+          an RDMA-enabled transport.
+
+          To compile RPC client RDMA transport support as a module,
+          choose M here: the module will be called xprtrdma.
+
+          If unsure, say N.
+
+config SUNRPC_REGISTER_V4
+        bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)"
+        depends on SUNRPC && EXPERIMENTAL
+        default n
+        help
+          Sun added support for registering RPC services at an IPv6
+          address by creating two new versions of the rpcbind protocol
+          (RFC 1833).
+
+          This option enables support in the kernel RPC server for
+          registering kernel RPC services via version 4 of the rpcbind
+          protocol.  If you enable this option, you must run a portmapper
+          daemon that supports rpcbind protocol version 4.
+
+          Serving NFS over IPv6 from knfsd (the kernel's NFS server)
+          requires that you enable this option and use a portmapper that
+          supports rpcbind version 4.
+
+          If unsure, say N to get traditional behavior (register kernel
+          RPC services using only rpcbind version 2).  Distributions
+          using the legacy Linux portmapper daemon must say N here.
+
+config RPCSEC_GSS_KRB5
+        tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
+        depends on SUNRPC && EXPERIMENTAL
+        select SUNRPC_GSS
+        select CRYPTO
+        select CRYPTO_MD5
+        select CRYPTO_DES
+        select CRYPTO_CBC
+        help
+          Choose Y here to enable Secure RPC using the Kerberos version 5
+          GSS-API mechanism (RFC 1964).
+
+          Secure RPC calls with Kerberos require an auxiliary user-space
+          daemon which may be found in the Linux nfs-utils package
+          available from http://linux-nfs.org/.  In addition, user-space
+          Kerberos support should be installed.
+
+          If unsure, say N.
+
+config RPCSEC_GSS_SPKM3
+        tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)"
+        depends on SUNRPC && EXPERIMENTAL
+        select SUNRPC_GSS
+        select CRYPTO
+        select CRYPTO_MD5
+        select CRYPTO_DES
+        select CRYPTO_CAST5
+        select CRYPTO_CBC
+        help
+          Choose Y here to enable Secure RPC using the SPKM3 public key
+          GSS-API mechansim (RFC 2025).
+
+          Secure RPC calls with SPKM3 require an auxiliary userspace
+          daemon which may be found in the Linux nfs-utils package
+          available from http://linux-nfs.org/.
+
+          If unsure, say N.
diff --git a/net/wimax/debugfs.c b/net/wimax/debugfs.c
index 87cf4430079c..94d216a46407 100644
--- a/net/wimax/debugfs.c
+++ b/net/wimax/debugfs.c
@@ -28,17 +28,6 @@
 #include "debug-levels.h"
 
 
-/* Debug framework control of debug levels */
-struct d_level D_LEVEL[] = {
-        D_SUBMODULE_DEFINE(debugfs),
-        D_SUBMODULE_DEFINE(id_table),
-        D_SUBMODULE_DEFINE(op_msg),
-        D_SUBMODULE_DEFINE(op_reset),
-        D_SUBMODULE_DEFINE(op_rfkill),
-        D_SUBMODULE_DEFINE(stack),
-};
-size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
-
 #define __debugfs_register(prefix, name, parent)                        \
 do {                                                                    \
         result = d_level_register_debugfs(prefix, name, parent);        \
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index d4da92f8981a..3869c0327882 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -516,6 +516,19 @@ void wimax_dev_rm(struct wimax_dev *wimax_dev)
 }
 EXPORT_SYMBOL_GPL(wimax_dev_rm);
 
+
+/* Debug framework control of debug levels */
+struct d_level D_LEVEL[] = {
+        D_SUBMODULE_DEFINE(debugfs),
+        D_SUBMODULE_DEFINE(id_table),
+        D_SUBMODULE_DEFINE(op_msg),
+        D_SUBMODULE_DEFINE(op_reset),
+        D_SUBMODULE_DEFINE(op_rfkill),
+        D_SUBMODULE_DEFINE(stack),
+};
+size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
+
+
 struct genl_family wimax_gnl_family = {
         .id = GENL_ID_GENERATE,
         .name = "WiMAX",
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 4f877535e666..85c9034c59b2 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -421,6 +421,31 @@ static u32 freq_max_bandwidth(const struct ieee80211_freq_range *freq_range,
         return 0;
 }
 
+/**
+ * freq_in_rule_band - tells us if a frequency is in a frequency band
+ * @freq_range: frequency rule we want to query
+ * @freq_khz: frequency we are inquiring about
+ *
+ * This lets us know if a specific frequency rule is or is not relevant to
+ * a specific frequency's band. Bands are device specific and artificial
+ * definitions (the "2.4 GHz band" and the "5 GHz band"), however it is
+ * safe for now to assume that a frequency rule should not be part of a
+ * frequency's band if the start freq or end freq are off by more than 2 GHz.
+ * This resolution can be lowered and should be considered as we add
+ * regulatory rule support for other "bands".
+ **/
+static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range,
+        u32 freq_khz)
+{
+#define ONE_GHZ_IN_KHZ  1000000
+        if (abs(freq_khz - freq_range->start_freq_khz) <= (2 * ONE_GHZ_IN_KHZ))
+                return true;
+        if (abs(freq_khz - freq_range->end_freq_khz) <= (2 * ONE_GHZ_IN_KHZ))
+                return true;
+        return false;
+#undef ONE_GHZ_IN_KHZ
+}
+
 /* Converts a country IE to a regulatory domain. A regulatory domain
  * structure has a lot of information which the IE doesn't yet have,
  * so for the other values we use upper max values as we will intersect
@@ -473,6 +498,7 @@ static struct ieee80211_regdomain *country_ie_2_rd(
          * calculate the number of reg rules we will need. We will need one
          * for each channel subband */
         while (country_ie_len >= 3) {
+                int end_channel = 0;
                 struct ieee80211_country_ie_triplet *triplet =
                         (struct ieee80211_country_ie_triplet *) country_ie;
                 int cur_sub_max_channel = 0, cur_channel = 0;
@@ -484,9 +510,25 @@ static struct ieee80211_regdomain *country_ie_2_rd(
                         continue;
                 }
 
+                /* 2 GHz */
+                if (triplet->chans.first_channel <= 14)
+                        end_channel = triplet->chans.first_channel +
+                                triplet->chans.num_channels;
+                else
+                        /*
+                         * 5 GHz -- For example in country IEs if the first
+                         * channel given is 36 and the number of channels is 4
+                         * then the individual channel numbers defined for the
+                         * 5 GHz PHY by these parameters are: 36, 40, 44, and 48
+                         * and not 36, 37, 38, 39.
+                         *
+                         * See: http://tinyurl.com/11d-clarification
+                         */
+                        end_channel =  triplet->chans.first_channel +
+                                (4 * (triplet->chans.num_channels - 1));
+
                 cur_channel = triplet->chans.first_channel;
-                cur_sub_max_channel = ieee80211_channel_to_frequency(
-                        cur_channel + triplet->chans.num_channels);
+                cur_sub_max_channel = end_channel;
 
                 /* Basic sanity check */
                 if (cur_sub_max_channel < cur_channel)
@@ -538,6 +580,7 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 
         /* This time around we fill in the rd */
         while (country_ie_len >= 3) {
+                int end_channel = 0;
                 struct ieee80211_country_ie_triplet *triplet =
                         (struct ieee80211_country_ie_triplet *) country_ie;
                 struct ieee80211_reg_rule *reg_rule = NULL;
@@ -559,6 +602,14 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 
                 reg_rule->flags = flags;
 
+                /* 2 GHz */
+                if (triplet->chans.first_channel <= 14)
+                        end_channel = triplet->chans.first_channel +
+                                triplet->chans.num_channels;
+                else
+                        end_channel =  triplet->chans.first_channel +
+                                (4 * (triplet->chans.num_channels - 1));
+
                 /* The +10 is since the regulatory domain expects
                  * the actual band edge, not the center of freq for
                  * its start and end freqs, assuming 20 MHz bandwidth on
@@ -568,8 +619,7 @@ static struct ieee80211_regdomain *country_ie_2_rd(
                                 triplet->chans.first_channel) - 10);
                 freq_range->end_freq_khz =
                         MHZ_TO_KHZ(ieee80211_channel_to_frequency(
-                                triplet->chans.first_channel +
-                                        triplet->chans.num_channels) + 10);
+                                end_channel) + 10);
 
                 /* Large arbitrary values, we intersect later */
                 /* Increment this if we ever support >= 40 MHz channels
@@ -748,12 +798,23 @@ static u32 map_regdom_flags(u32 rd_flags)
  *      this value to the maximum allowed bandwidth.
  * @reg_rule: the regulatory rule which we have for this frequency
  *
- * Use this function to get the regulatory rule for a specific frequency.
+ * Use this function to get the regulatory rule for a specific frequency on
+ * a given wireless device. If the device has a specific regulatory domain
+ * it wants to follow we respect that unless a country IE has been received
+ * and processed already.
+ *
+ * Returns 0 if it was able to find a valid regulatory rule which does
+ * apply to the given center_freq otherwise it returns non-zero. It will
+ * also return -ERANGE if we determine the given center_freq does not even have
+ * a regulatory rule for a frequency range in the center_freq's band. See
+ * freq_in_rule_band() for our current definition of a band -- this is purely
+ * subjective and right now its 802.11 specific.
  */
 static int freq_reg_info(u32 center_freq, u32 *bandwidth,
                          const struct ieee80211_reg_rule **reg_rule)
 {
         int i;
+        bool band_rule_found = false;
         u32 max_bandwidth = 0;
 
         if (!cfg80211_regdomain)
@@ -767,7 +828,15 @@ static int freq_reg_info(u32 center_freq, u32 *bandwidth,
                 rr = &cfg80211_regdomain->reg_rules[i];
                 fr = &rr->freq_range;
                 pr = &rr->power_rule;
+
+                /* We only need to know if one frequency rule was
+                 * was in center_freq's band, that's enough, so lets
+                 * not overwrite it once found */
+                if (!band_rule_found)
+                        band_rule_found = freq_in_rule_band(fr, center_freq);
+
                 max_bandwidth = freq_max_bandwidth(fr, center_freq);
+
                 if (max_bandwidth && *bandwidth <= max_bandwidth) {
                         *reg_rule = rr;
                         *bandwidth = max_bandwidth;
@@ -775,23 +844,64 @@ static int freq_reg_info(u32 center_freq, u32 *bandwidth,
                 }
         }
 
+        if (!band_rule_found)
+                return -ERANGE;
+
         return !max_bandwidth;
 }
 
-static void handle_channel(struct ieee80211_channel *chan)
+static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
+                           unsigned int chan_idx)
 {
         int r;
-        u32 flags = chan->orig_flags;
+        u32 flags;
         u32 max_bandwidth = 0;
         const struct ieee80211_reg_rule *reg_rule = NULL;
         const struct ieee80211_power_rule *power_rule = NULL;
+        struct ieee80211_supported_band *sband;
+        struct ieee80211_channel *chan;
+
+        sband = wiphy->bands[band];
+        BUG_ON(chan_idx >= sband->n_channels);
+        chan = &sband->channels[chan_idx];
+
+        flags = chan->orig_flags;
 
         r = freq_reg_info(MHZ_TO_KHZ(chan->center_freq),
                 &max_bandwidth, &reg_rule);
 
         if (r) {
-                flags |= IEEE80211_CHAN_DISABLED;
-                chan->flags = flags;
+                /* This means no regulatory rule was found in the country IE
+                 * with a frequency range on the center_freq's band, since
+                 * IEEE-802.11 allows for a country IE to have a subset of the
+                 * regulatory information provided in a country we ignore
+                 * disabling the channel unless at least one reg rule was
+                 * found on the center_freq's band. For details see this
+                 * clarification:
+                 *
+                 * http://tinyurl.com/11d-clarification
+                 */
+                if (r == -ERANGE &&
+                    last_request->initiator == REGDOM_SET_BY_COUNTRY_IE) {
+#ifdef CONFIG_CFG80211_REG_DEBUG
+                        printk(KERN_DEBUG "cfg80211: Leaving channel %d MHz "
+                                "intact on %s - no rule found in band on "
+                                "Country IE\n",
+                                chan->center_freq, wiphy_name(wiphy));
+#endif
+                } else {
+                /* In this case we know the country IE has at least one reg rule
+                 * for the band so we respect its band definitions */
+#ifdef CONFIG_CFG80211_REG_DEBUG
+                        if (last_request->initiator == REGDOM_SET_BY_COUNTRY_IE)
+                                printk(KERN_DEBUG "cfg80211: Disabling "
+                                        "channel %d MHz on %s due to "
+                                        "Country IE\n",
+                                        chan->center_freq, wiphy_name(wiphy));
+#endif
+                        flags |= IEEE80211_CHAN_DISABLED;
+                        chan->flags = flags;
+                }
                 return;
         }
 
@@ -808,12 +918,16 @@ static void handle_channel(struct ieee80211_channel *chan)
                 chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp);
 }
 
-static void handle_band(struct ieee80211_supported_band *sband)
+static void handle_band(struct wiphy *wiphy, enum ieee80211_band band)
 {
-        int i;
+        unsigned int i;
+        struct ieee80211_supported_band *sband;
+
+        BUG_ON(!wiphy->bands[band]);
+        sband = wiphy->bands[band];
 
         for (i = 0; i < sband->n_channels; i++)
-                handle_channel(&sband->channels[i]);
+                handle_channel(wiphy, band, i);
 }
 
 static bool ignore_reg_update(struct wiphy *wiphy, enum reg_set_by setby)
@@ -840,7 +954,7 @@ void wiphy_update_regulatory(struct wiphy *wiphy, enum reg_set_by setby)
         enum ieee80211_band band;
         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
                 if (wiphy->bands[band])
-                        handle_band(wiphy->bands[band]);
+                        handle_band(wiphy, band);
                 if (wiphy->reg_notifier)
                         wiphy->reg_notifier(wiphy, setby);
         }
@@ -1170,7 +1284,7 @@ static void reg_country_ie_process_debug(
         if (intersected_rd) {
                 printk(KERN_DEBUG "cfg80211: We intersect both of these "
                         "and get:\n");
-                print_regdomain_info(rd);
+                print_regdomain_info(intersected_rd);
                 return;
         }
         printk(KERN_DEBUG "cfg80211: Intersection between both failed\n");
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 7877e7975dae..b95a2d64eb59 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1914,17 +1914,10 @@ static int xfrm_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
 }
 #endif
 
-/* For the xfrm_usersa_info cases we have to work around some 32-bit vs.
- * 64-bit compatability issues.  On 32-bit the structure is 220 bytes, but
- * for 64-bit it gets padded out to 224 bytes.  Those bytes are just
- * padding and don't have any content we care about.  Therefore as long
- * as we have enough bytes for the content we can make both cases work.
- */
-
 #define XMSGSIZE(type) sizeof(struct type)
 
 static const int xfrm_msg_min[XFRM_NR_MSGTYPES] = {
-        [XFRM_MSG_NEWSA       - XFRM_MSG_BASE] = 220, /* see above */
+        [XFRM_MSG_NEWSA       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_info),
         [XFRM_MSG_DELSA       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_id),
         [XFRM_MSG_GETSA       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_id),
         [XFRM_MSG_NEWPOLICY   - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_info),
@@ -1934,7 +1927,7 @@ static const int xfrm_msg_min[XFRM_NR_MSGTYPES] = {
         [XFRM_MSG_ACQUIRE     - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_acquire),
         [XFRM_MSG_EXPIRE      - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_expire),
         [XFRM_MSG_UPDPOLICY   - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_info),
-        [XFRM_MSG_UPDSA       - XFRM_MSG_BASE] = 220, /* see above */
+        [XFRM_MSG_UPDSA       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_info),
         [XFRM_MSG_POLEXPIRE   - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_polexpire),
         [XFRM_MSG_FLUSHSA     - XFRM_MSG_BASE] = XMSGSIZE(xfrm_usersa_flush),
         [XFRM_MSG_FLUSHPOLICY - XFRM_MSG_BASE] = 0,