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ip netns: Show error message if mkdir failed to create /var/run/netns

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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 <vadim4j@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
vadimk 2014-08-28 16:56:03 +03:00 committed by Stephen Hemminger
parent cdb2227e9c
commit bcf1aae8a8
1 changed files with 7 additions and 1 deletions
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8
ip/ipnetns.c
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@ -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 */
mkdir(NETNS_RUN_DIR, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
if (mkdir(NETNS_RUN_DIR, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)) {
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