6 files changed, 23 insertions, 11 deletions

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 78b514ba141..60123905dbb 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -128,13 +128,14 @@ struct net_device * ip_dev_find(__be32 addr)
         struct flowi fl = { .nl_u = { .ip4_u = { .daddr = addr } } };
         struct fib_result res;
         struct net_device *dev = NULL;
+        struct fib_table *local_table;
 
 #ifdef CONFIG_IP_MULTIPLE_TABLES
         res.r = NULL;
 #endif
 
-        if (!ip_fib_local_table ||
-            ip_fib_local_table->tb_lookup(ip_fib_local_table, &fl, &res))
+        local_table = fib_get_table(RT_TABLE_LOCAL);
+        if (!local_table || local_table->tb_lookup(local_table, &fl, &res))
                 return NULL;
         if (res.type != RTN_LOCAL)
                 goto out;
@@ -152,6 +153,7 @@ unsigned inet_addr_type(__be32 addr)
         struct flowi            fl = { .nl_u = { .ip4_u = { .daddr = addr } } };
         struct fib_result       res;
         unsigned ret = RTN_BROADCAST;
+        struct fib_table *local_table;
 
         if (ZERONET(addr) || BADCLASS(addr))
                 return RTN_BROADCAST;
@@ -162,10 +164,10 @@ unsigned inet_addr_type(__be32 addr)
         res.r = NULL;
 #endif
 
-        if (ip_fib_local_table) {
+        local_table = fib_get_table(RT_TABLE_LOCAL);
+        if (local_table) {
                 ret = RTN_UNICAST;
-                if (!ip_fib_local_table->tb_lookup(ip_fib_local_table,
-                                                   &fl, &res)) {
+                if (!local_table->tb_lookup(local_table, &fl, &res)) {
                         ret = res.type;
                         fib_res_put(&res);
                 }
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index f151900efaf..02b02a8d681 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -674,7 +674,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         struct rtable *rt;                      /* Route to the other host */
         struct net_device *tdev;                        /* Device to other host */
         struct iphdr  *iph;                     /* Our new IP header */
-        int    max_headroom;                    /* The extra header space needed */
+        unsigned int max_headroom;              /* The extra header space needed */
         int    gre_hlen;
         __be32 dst;
         int    mtu;
@@ -1033,7 +1033,6 @@ static int ipgre_tunnel_change_mtu(struct net_device *dev, int new_mtu)
         return 0;
 }
 
-#ifdef CONFIG_NET_IPGRE_BROADCAST
 /* Nice toy. Unfortunately, useless in real life :-)
    It allows to construct virtual multiprotocol broadcast "LAN"
    over the Internet, provided multicast routing is tuned.
@@ -1092,10 +1091,19 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev,
         return -t->hlen;
 }
 
+static int ipgre_header_parse(const struct sk_buff *skb, unsigned char *haddr)
+{
+        struct iphdr *iph = (struct iphdr*) skb_mac_header(skb);
+        memcpy(haddr, &iph->saddr, 4);
+        return 4;
+}
+
 static const struct header_ops ipgre_header_ops = {
         .create = ipgre_header,
+        .parse  = ipgre_header_parse,
 };
 
+#ifdef CONFIG_NET_IPGRE_BROADCAST
 static int ipgre_open(struct net_device *dev)
 {
         struct ip_tunnel *t = netdev_priv(dev);
@@ -1197,6 +1205,8 @@ static int ipgre_tunnel_init(struct net_device *dev)
                         dev->stop = ipgre_close;
                 }
 #endif
+        } else {
+                dev->header_ops = &ipgre_header_ops;
         }
 
         if (!tdev && tunnel->parms.link)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f508835ba71..e5f7dc2de30 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -161,7 +161,7 @@ static inline int ip_finish_output2(struct sk_buff *skb)
         struct dst_entry *dst = skb->dst;
         struct rtable *rt = (struct rtable *)dst;
         struct net_device *dev = dst->dev;
-        int hh_len = LL_RESERVED_SPACE(dev);
+        unsigned int hh_len = LL_RESERVED_SPACE(dev);
 
         if (rt->rt_type == RTN_MULTICAST)
                 IP_INC_STATS(IPSTATS_MIB_OUTMCASTPKTS);
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 5cd5bbe1379..8c2b2b0741d 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -515,7 +515,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         struct net_device *tdev;                        /* Device to other host */
         struct iphdr  *old_iph = ip_hdr(skb);
         struct iphdr  *iph;                     /* Our new IP header */
-        int    max_headroom;                    /* The extra header space needed */
+        unsigned int max_headroom;              /* The extra header space needed */
         __be32 dst = tiph->daddr;
         int    mtu;
 
diff --git a/net/ipv4/ipvs/ip_vs_xmit.c b/net/ipv4/ipvs/ip_vs_xmit.c
index d0a92dec105..7c074e386c1 100644
--- a/net/ipv4/ipvs/ip_vs_xmit.c
+++ b/net/ipv4/ipvs/ip_vs_xmit.c
@@ -325,7 +325,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
         __be16 df = old_iph->frag_off;
         sk_buff_data_t old_transport_header = skb->transport_header;
         struct iphdr  *iph;                     /* Our new IP header */
-        int    max_headroom;                    /* The extra header space needed */
+        unsigned int max_headroom;              /* The extra header space needed */
         int    mtu;
 
         EnterFunction(10);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 9288220b73a..3dbbb44b3e7 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3909,7 +3909,7 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
 
         while (before(start, end)) {
                 struct sk_buff *nskb;
-                int header = skb_headroom(skb);
+                unsigned int header = skb_headroom(skb);
                 int copy = SKB_MAX_ORDER(header, 0);
 
                 /* Too big header? This can happen with IPv6. */