Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[linux.git] / net / sunrpc / svcsock.c

diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index c26ce9556581eab5271efde1d87c173dbdd4c082..43bcb4699d69b377825531a21937df021bb958eb 100644 (file)
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1397,6 +1397,22 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
        return svsk;
 }
 
+bool svc_alien_sock(struct net *net, int fd)
+{
+       int err;
+       struct socket *sock = sockfd_lookup(fd, &err);
+       bool ret = false;
+
+       if (!sock)
+               goto out;
+       if (sock_net(sock->sk) != net)
+               ret = true;
+       sockfd_put(sock);
+out:
+       return ret;
+}
+EXPORT_SYMBOL_GPL(svc_alien_sock);
+
 /**
  * svc_addsock - add a listener socket to an RPC service
  * @serv: pointer to RPC service to which to add a new listener