memcg: bad page if page_cgroup when free

[linux-2.6-omap-h63xx.git] / net / ipv4 / ipmr.c

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 37bb497d92af2af2d714ed4d4694d25a4b9c5471..a94f52c207a7e4f789e9ddf8dcc50d1475766677 100644 (file)
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -141,7 +141,7 @@ struct net_device *ipmr_new_tunnel(struct vifctl *v)
                p.iph.ihl = 5;
                p.iph.protocol = IPPROTO_IPIP;
                sprintf(p.name, "dvmrp%d", v->vifc_vifi);
-               ifr.ifr_ifru.ifru_data = (void*)&p;
+               ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
 
                oldfs = get_fs(); set_fs(KERNEL_DS);
                err = dev->do_ioctl(dev, &ifr, SIOCADDTUNNEL);
@@ -321,7 +321,7 @@ static void ipmr_destroy_unres(struct mfc_cache *c)
                        e->error = -ETIMEDOUT;
                        memset(&e->msg, 0, sizeof(e->msg));
 
-                       rtnl_unicast(skb, NETLINK_CB(skb).pid);
+                       rtnl_unicast(skb, &init_net, NETLINK_CB(skb).pid);
                } else
                        kfree_skb(skb);
        }
@@ -423,7 +423,7 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
                        return -ENOBUFS;
                break;
        case 0:
-               dev = ip_dev_find(vifc->vifc_lcl_addr.s_addr);
+               dev = ip_dev_find(&init_net, vifc->vifc_lcl_addr.s_addr);
                if (!dev)
                        return -EADDRNOTAVAIL;
                dev_put(dev);
@@ -533,7 +533,7 @@ static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
                                memset(&e->msg, 0, sizeof(e->msg));
                        }
 
-                       rtnl_unicast(skb, NETLINK_CB(skb).pid);
+                       rtnl_unicast(skb, &init_net, NETLINK_CB(skb).pid);
                } else
                        ip_mr_forward(skb, c, 0);
        }
@@ -749,7 +749,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
                return 0;
        }
 
-       if (!MULTICAST(mfc->mfcc_mcastgrp.s_addr))
+       if (!ipv4_is_multicast(mfc->mfcc_mcastgrp.s_addr))
                return -EINVAL;
 
        c=ipmr_cache_alloc();
@@ -849,7 +849,7 @@ static void mrtsock_destruct(struct sock *sk)
 {
        rtnl_lock();
        if (sk == mroute_socket) {
-               IPV4_DEVCONF_ALL(MC_FORWARDING)--;
+               IPV4_DEVCONF_ALL(sk->sk_net, MC_FORWARDING)--;
 
                write_lock_bh(&mrt_lock);
                mroute_socket=NULL;
@@ -898,7 +898,7 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
                        mroute_socket=sk;
                        write_unlock_bh(&mrt_lock);
 
-                       IPV4_DEVCONF_ALL(MC_FORWARDING)++;
+                       IPV4_DEVCONF_ALL(sk->sk_net, MC_FORWARDING)++;
                }
                rtnl_unlock();
                return ret;
@@ -954,10 +954,12 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
 #ifdef CONFIG_IP_PIMSM
        case MRT_PIM:
        {
-               int v, ret;
+               int v;
+
                if (get_user(v,(int __user *)optval))
                        return -EFAULT;
-               v = (v)?1:0;
+               v = (v) ? 1 : 0;
+
                rtnl_lock();
                ret = 0;
                if (v != mroute_do_pim) {
@@ -1183,7 +1185,7 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
                                                .saddr = vif->local,
                                                .tos = RT_TOS(iph->tos) } },
                                    .proto = IPPROTO_IPIP };
-               if (ip_route_output_key(&rt, &fl))
+               if (ip_route_output_key(&init_net, &rt, &fl))
                        goto out_free;
                encap = sizeof(struct iphdr);
        } else {
@@ -1192,7 +1194,7 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
                                              { .daddr = iph->daddr,
                                                .tos = RT_TOS(iph->tos) } },
                                    .proto = IPPROTO_IPIP };
-               if (ip_route_output_key(&rt, &fl))
+               if (ip_route_output_key(&init_net, &rt, &fl))
                        goto out_free;
        }
 
@@ -1245,7 +1247,7 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
         * not mrouter) cannot join to more than one interface - it will
         * result in receiving multiple packets.
         */
-       NF_HOOK(PF_INET, NF_IP_FORWARD, skb, skb->dev, dev,
+       NF_HOOK(PF_INET, NF_INET_FORWARD, skb, skb->dev, dev,
                ipmr_forward_finish);
        return;
 
@@ -1461,7 +1463,7 @@ int pim_rcv_v1(struct sk_buff * skb)
           b. packet is not a NULL-REGISTER
           c. packet is not truncated
         */
-       if (!MULTICAST(encap->daddr) ||
+       if (!ipv4_is_multicast(encap->daddr) ||
            encap->tot_len == 0 ||
            ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
                goto drop;
@@ -1517,7 +1519,7 @@ static int pim_rcv(struct sk_buff * skb)
        /* check if the inner packet is destined to mcast group */
        encap = (struct iphdr *)(skb_transport_header(skb) +
                                 sizeof(struct pimreghdr));
-       if (!MULTICAST(encap->daddr) ||
+       if (!ipv4_is_multicast(encap->daddr) ||
            encap->tot_len == 0 ||
            ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
                goto drop;
@@ -1659,6 +1661,7 @@ static struct vif_device *ipmr_vif_seq_idx(struct ipmr_vif_iter *iter,
 }
 
 static void *ipmr_vif_seq_start(struct seq_file *seq, loff_t *pos)
+       __acquires(mrt_lock)
 {
        read_lock(&mrt_lock);
        return *pos ? ipmr_vif_seq_idx(seq->private, *pos - 1)
@@ -1682,6 +1685,7 @@ static void *ipmr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void ipmr_vif_seq_stop(struct seq_file *seq, void *v)
+       __releases(mrt_lock)
 {
        read_unlock(&mrt_lock);
 }
@@ -1889,8 +1893,7 @@ void __init ip_mr_init(void)
                                       sizeof(struct mfc_cache),
                                       0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
                                       NULL);
-       init_timer(&ipmr_expire_timer);
-       ipmr_expire_timer.function=ipmr_expire_process;
+       setup_timer(&ipmr_expire_timer, ipmr_expire_process, 0);
        register_netdevice_notifier(&ip_mr_notifier);
 #ifdef CONFIG_PROC_FS
        proc_net_fops_create(&init_net, "ip_mr_vif", 0, &ipmr_vif_fops);