1 files changed, 11 insertions, 2 deletions

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 252a52ae0893..c4992002fd68 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -2973,7 +2973,8 @@ static int tipc_getsockopt(struct socket *sock, int lvl, int opt,
 
 static int tipc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
-        struct sock *sk = sock->sk;
+        struct net *net = sock_net(sock->sk);
+        struct tipc_sioc_nodeid_req nr = {0};
         struct tipc_sioc_ln_req lnr;
         void __user *argp = (void __user *)arg;
 
@@ -2981,7 +2982,7 @@ static int tipc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
         case SIOCGETLINKNAME:
                 if (copy_from_user(&lnr, argp, sizeof(lnr)))
                         return -EFAULT;
-                if (!tipc_node_get_linkname(sock_net(sk),
+                if (!tipc_node_get_linkname(net,
                                             lnr.bearer_id & 0xffff, lnr.peer,
                                             lnr.linkname, TIPC_MAX_LINK_NAME)) {
                         if (copy_to_user(argp, &lnr, sizeof(lnr)))
@@ -2989,6 +2990,14 @@ static int tipc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                         return 0;
                 }
                 return -EADDRNOTAVAIL;
+        case SIOCGETNODEID:
+                if (copy_from_user(&nr, argp, sizeof(nr)))
+                        return -EFAULT;
+                if (!tipc_node_get_id(net, nr.peer, nr.node_id))
+                        return -EADDRNOTAVAIL;
+                if (copy_to_user(argp, &nr, sizeof(nr)))
+                        return -EFAULT;
+                return 0;
         default:
                 return -ENOIOCTLCMD;
         }