[NETNS][IPV6] fib6 rule - dynamic allocation of the rules struct ops
[safe/jmp/linux-2.6] / net / ipv6 / anycast.c
index 0bd6654..9c7f83f 100644 (file)
@@ -89,7 +89,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
                return -EPERM;
        if (ipv6_addr_is_multicast(addr))
                return -EINVAL;
-       if (ipv6_chk_addr(addr, NULL, 0))
+       if (ipv6_chk_addr(&init_net, addr, NULL, 0))
                return -EINVAL;
 
        pac = sock_kmalloc(sk, sizeof(struct ipv6_ac_socklist), GFP_KERNEL);
@@ -112,10 +112,10 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
                } else {
                        /* router, no matching interface: just pick one */
 
-                       dev = dev_get_by_flags(IFF_UP, IFF_UP|IFF_LOOPBACK);
+                       dev = dev_get_by_flags(&init_net, IFF_UP, IFF_UP|IFF_LOOPBACK);
                }
        } else
-               dev = dev_get_by_index(ifindex);
+               dev = dev_get_by_index(&init_net, ifindex);
 
        if (dev == NULL) {
                err = -ENODEV;
@@ -196,7 +196,7 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
 
        write_unlock_bh(&ipv6_sk_ac_lock);
 
-       dev = dev_get_by_index(pac->acl_ifindex);
+       dev = dev_get_by_index(&init_net, pac->acl_ifindex);
        if (dev) {
                ipv6_dev_ac_dec(dev, &pac->acl_addr);
                dev_put(dev);
@@ -224,7 +224,7 @@ void ipv6_sock_ac_close(struct sock *sk)
                if (pac->acl_ifindex != prev_index) {
                        if (dev)
                                dev_put(dev);
-                       dev = dev_get_by_index(pac->acl_ifindex);
+                       dev = dev_get_by_index(&init_net, pac->acl_ifindex);
                        prev_index = pac->acl_ifindex;
                }
                if (dev)
@@ -414,7 +414,7 @@ static int ipv6_chk_acast_dev(struct net_device *dev, struct in6_addr *addr)
                                break;
                read_unlock_bh(&idev->lock);
                in6_dev_put(idev);
-               return aca != 0;
+               return aca != NULL;
        }
        return 0;
 }
@@ -429,7 +429,7 @@ int ipv6_chk_acast_addr(struct net_device *dev, struct in6_addr *addr)
        if (dev)
                return ipv6_chk_acast_dev(dev, addr);
        read_lock(&dev_base_lock);
-       for_each_netdev(dev)
+       for_each_netdev(&init_net, dev)
                if (ipv6_chk_acast_dev(dev, addr)) {
                        found = 1;
                        break;
@@ -453,7 +453,7 @@ static inline struct ifacaddr6 *ac6_get_first(struct seq_file *seq)
        struct ac6_iter_state *state = ac6_seq_private(seq);
 
        state->idev = NULL;
-       for_each_netdev(state->dev) {
+       for_each_netdev(&init_net, state->dev) {
                struct inet6_dev *idev;
                idev = in6_dev_get(state->dev);
                if (!idev)
@@ -504,6 +504,7 @@ static struct ifacaddr6 *ac6_get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *ac6_seq_start(struct seq_file *seq, loff_t *pos)
+       __acquires(dev_base_lock)
 {
        read_lock(&dev_base_lock);
        return ac6_get_idx(seq, *pos);
@@ -518,6 +519,7 @@ static void *ac6_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 }
 
 static void ac6_seq_stop(struct seq_file *seq, void *v)
+       __releases(dev_base_lock)
 {
        struct ac6_iter_state *state = ac6_seq_private(seq);
        if (likely(state->idev != NULL)) {
@@ -549,24 +551,8 @@ static const struct seq_operations ac6_seq_ops = {
 
 static int ac6_seq_open(struct inode *inode, struct file *file)
 {
-       struct seq_file *seq;
-       int rc = -ENOMEM;
-       struct ac6_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
-       if (!s)
-               goto out;
-
-       rc = seq_open(file, &ac6_seq_ops);
-       if (rc)
-               goto out_kfree;
-
-       seq = file->private_data;
-       seq->private = s;
-out:
-       return rc;
-out_kfree:
-       kfree(s);
-       goto out;
+       return seq_open_private(file, &ac6_seq_ops,
+                       sizeof(struct ac6_iter_state));
 }
 
 static const struct file_operations ac6_seq_fops = {