From 65e8eb7a2d78bfe02173fca78ce41d09d1063b2d Mon Sep 17 00:00:00 2001
From: Kinsbursky Stanislav <skinsbursky@openvz.org>
Date: Wed, 8 Feb 2012 17:29:54 +0300
Subject: [PATCH] show: check UTS ns fd before show

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
---
 namespaces.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/namespaces.c b/namespaces.c
index 75ae14234..882e5758b 100644
--- a/namespaces.c
+++ b/namespaces.c
@@ -122,7 +122,8 @@ int try_show_namespaces(int ns_pid)
 	if (!fdset)
 		return -1;
 
-	show_utsns(fdset->fds[CR_FD_UTSNS]);
+	if (fdset->fds[CR_FD_UTSNS] != -1)
+		show_utsns(fdset->fds[CR_FD_UTSNS]);
 
 	close_cr_fdset(&fdset);
 	return 0;