---

yaml
---
r: 186359
b: refs/heads/master
c: 3749829
h: refs/heads/master
i:
  186357: 55ac738
  186355: d11fe7b
  186351: 9ee5828
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 68717908155a9dcd4161f4d730fea478712d9794
+refs/heads/master: 37498292aa97658a5d0a9bb84699ce8c1016bb74

trunk/fs/nfsd/nfsctl.c

@@ -988,6 +988,7 @@ static ssize_t __write_ports_delfd(char *buf)
 static ssize_t __write_ports_addxprt(char *buf)
 {
 	char transport[16];
+	struct svc_xprt *xprt;
 	int port, err;
 
 	if (sscanf(buf, "%15s %4u", transport, &port) != 2)
@@ -1003,8 +1004,23 @@ static ssize_t __write_ports_addxprt(char *buf)
 	err = svc_create_xprt(nfsd_serv, transport,
 				PF_INET, port, SVC_SOCK_ANONYMOUS);
 	if (err < 0)
-		return err;
+		goto out_err;
+
+	err = svc_create_xprt(nfsd_serv, transport,
+				PF_INET6, port, SVC_SOCK_ANONYMOUS);
+	if (err < 0 && err != -EAFNOSUPPORT)
+		goto out_close;
 	return 0;
+out_close:
+	xprt = svc_find_xprt(nfsd_serv, transport, PF_INET, port);
+	if (xprt != NULL) {
+		svc_close_xprt(xprt);
+		svc_xprt_put(xprt);
+	}
+out_err:
+	/* Decrease the count, but don't shut down the service */
+	nfsd_serv->sv_nrthreads--;
+	return err;
 }
 
 /*