linux-cp: Fix coverity issue

Type: fix

Possible negative return in open(), do not use curr_ns_fd if it is
negative.  Addresses Coverity issue 248535

Signed-off-by: Pim van Pelt <pim@ipng.nl>
Change-Id: I8429ede0f1fe9fe6619e3c4dbd83adb620ea62c2

diff --git a/src/plugins/linux-cp/lcp_nl.c b/src/plugins/linux-cp/lcp_nl.c
index 8a55f4c..1c0ca0d 100644 (file)
--- a/src/plugins/linux-cp/lcp_nl.c
+++ b/src/plugins/linux-cp/lcp_nl.c
@@ -496,7 +496,7 @@ lcp_nl_open_socket (void)
 
   nl_connect (nm->sk_route, NETLINK_ROUTE);
 
-  if (dest_ns_fd)
+  if (dest_ns_fd && curr_ns_fd >= 0)
     {
       setns (curr_ns_fd, CLONE_NEWNET);
       close (curr_ns_fd);