X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fnfsd%2Fnfsctl.c;h=f34d9de802abc7bfea33c14388020abcfcd007dc;hb=12bda52e8f3720c7398e95b10462b185a7dafa4b;hp=7f555179bf81b725364e558f76ba20ccfa2fb4ad;hpb=4c0eec03b188efafba3a35315b59a9efbf9684fc;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 7f555179bf81..f34d9de802ab 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -699,6 +699,11 @@ static ssize_t __write_ports_addfd(char *buf, struct net *net)
 	if (err != 0 || fd < 0)
 		return -EINVAL;
 
+	if (svc_alien_sock(net, fd)) {
+		printk(KERN_ERR "%s: socket net is different to NFSd's one\n", __func__);
+		return -EINVAL;
+	}
+
 	err = nfsd_create_serv(net);
 	if (err != 0)
 		return err;