[CRIU] [crtools-bot for Kinsbursky Stanislav ] show: check UTS ns fd before show

[Cyrill Gorcunov]

The commit is pushed to "master" and will appear on git://github.com/cyrillos/crtools.git
------>
commit 65e8eb7a2d78bfe02173fca78ce41d09d1063b2d
Author: Kinsbursky Stanislav <skinsbursky at openvz.org>
Date:   Wed Feb 8 17:29:54 2012 +0300

    show: check UTS ns fd before show
    
    Signed-off-by: Stanislav Kinsbursky <skinsbursky at parallels.com>
    Acked-by: Pavel Emelyanov <xemul at parallels.com>
    Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 namespaces.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/namespaces.c b/namespaces.c
index 75ae142..882e575 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;