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mnt: Check for ns being mnt before dumping

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Acked-by: Andrew Vagin <avagin@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov
2014-04-22 20:36:21 +04:00
parent d49fd40e55
commit f60109f272
1 changed files with 3 additions and 4 deletions
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7
mount.c
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@@ -1899,6 +1899,9 @@ int dump_mnt_namespaces(void)
int ret = 0, n = 0;
for (ns = ns_ids; ns; ns = ns->next) {
if (!(ns->nd->cflag & CLONE_NEWNS))
continue;
/* Skip current namespaces, which are in the list too */
if (ns->pid == getpid()) {
if (!(root_ns_mask & CLONE_NEWNS))
@@ -1908,11 +1911,7 @@ int dump_mnt_namespaces(void)
continue;
}
if (!(ns->nd->cflag & CLONE_NEWNS))
continue;
n++;
if (n == 2 && check_mnt_id()) {
pr_err("Nested mount namespaces are not supported "
"without mnt_id in fdinfo\n");