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Date:	Thu, 28 Aug 2014 16:56:03 +0300
From:	vadimk <>
Cc:	vadimk <>
Subject: Added Sign-off [PATCH] ip netns: Show error message if mkdir failed to create /var/run/netns

Currently if mkdir failed with "Permission denied" error then "mount --make-shared ..."
error message will be showed because /var/run/netns does not exist.

Signed-off-by: Vadim Kochan <>
 ip/ipnetns.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ip/ipnetns.c b/ip/ipnetns.c
index 633b5b9..7f82908 100644
--- a/ip/ipnetns.c
+++ b/ip/ipnetns.c
@@ -407,7 +407,13 @@ static int netns_add(int argc, char **argv)
 	snprintf(netns_path, sizeof(netns_path), "%s/%s", NETNS_RUN_DIR, name);
 	/* Create the base netns directory if it doesn't exist */
+		if (errno != EEXIST) {
+			fprintf(stderr, "mkdir %s failed: %s\n",
+				NETNS_RUN_DIR, strerror(errno));
+			return -1;
+		}
+	}
 	/* Make it possible for network namespace mounts to propagate between
 	 * mount namespaces.  This makes it likely that a unmounting a network

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