[NETNS][RAW]: Make /proc/net/raw(6) show per-namespace socket list.

Pull the struct net pointer up to the showing functions
to filter the sockets depending on their namespaces.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 8 deletions

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index a490a9d54712..4e95372a78e7 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -860,7 +860,8 @@ static struct sock *raw_get_first(struct seq_file *seq)
                 struct hlist_node *node;
 
                 sk_for_each(sk, node, &state->h->ht[state->bucket])
-                        if (sk->sk_family == state->family)
+                        if (sk->sk_net == state->p.net &&
+                                        sk->sk_family == state->family)
                                 goto found;
         }
         sk = NULL;
@@ -876,7 +877,8 @@ static struct sock *raw_get_next(struct seq_file *seq, struct sock *sk)
                 sk = sk_next(sk);
 try_again:
                 ;
-        } while (sk && sk->sk_family != state->family);
+        } while (sk && sk->sk_net != state->p.net &&
+                        sk->sk_family != state->family);
 
         if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
                 sk = sk_head(&state->h->ht[state->bucket]);
@@ -970,16 +972,18 @@ static const struct seq_operations raw_seq_ops = {
         .show  = raw_seq_show,
 };
 
-int raw_seq_open(struct file *file, struct raw_hashinfo *h,
+int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h,
                 unsigned short family)
 {
+        int err;
         struct raw_iter_state *i;
 
-        i = __seq_open_private(file, &raw_seq_ops,
+        err = seq_open_net(ino, file, &raw_seq_ops,
                         sizeof(struct raw_iter_state));
-        if (i == NULL)
-                return -ENOMEM;
+        if (err < 0)
+                return err;
 
+        i = raw_seq_private((struct seq_file *)file->private_data);
         i->h = h;
         i->family = family;
         return 0;
@@ -988,7 +992,7 @@ EXPORT_SYMBOL_GPL(raw_seq_open);
 
 static int raw_v4_seq_open(struct inode *inode, struct file *file)
 {
-        return raw_seq_open(file, &raw_v4_hashinfo, PF_INET);
+        return raw_seq_open(inode, file, &raw_v4_hashinfo, PF_INET);
 }
 
 static const struct file_operations raw_seq_fops = {
@@ -996,7 +1000,7 @@ static const struct file_operations raw_seq_fops = {
         .open    = raw_v4_seq_open,
         .read    = seq_read,
         .llseek  = seq_lseek,
-        .release = seq_release_private,
+        .release = seq_release_net,
 };
 
 int __init raw_proc_init(void)