net: af_unix should update its inuse counter

This patch is a preparation to namespace conversion of /proc/net/protocols In order to have relevant information for UNIX protocol, we should use sock_prot_inuse_add() to update a (percpu and pernamespace) counter of inuse sockets. Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
Kleist · Nov 17, 2008 · a8076d8 · a8076d8
1 parent 248969a
commit a8076d8
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
@@ -361,6 +361,7 @@ static void unix_sock_destructor(struct sock *sk)
 		unix_release_addr(u->addr);
 
 	atomic_dec(&unix_nr_socks);
+	sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
 #ifdef UNIX_REFCNT_DEBUG
 	printk(KERN_DEBUG "UNIX %p is destroyed, %d are still alive.\n", sk,
 		atomic_read(&unix_nr_socks));
@@ -612,6 +613,9 @@ static struct sock *unix_create1(struct net *net, struct socket *sock)
 out:
 	if (sk == NULL)
 		atomic_dec(&unix_nr_socks);
+	else
+		sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+
 	return sk;
 }