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-rw-r--r--kernel/pid_namespace.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index a5aff94e1f0b..e9c9adc84ca6 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -14,6 +14,7 @@
#include <linux/err.h>
#include <linux/acct.h>
#include <linux/slab.h>
+#include <linux/proc_fs.h>
#define BITS_PER_PAGE (PAGE_SIZE*8)
@@ -72,7 +73,7 @@ static struct pid_namespace *create_pid_namespace(struct pid_namespace *parent_p
{
struct pid_namespace *ns;
unsigned int level = parent_pid_ns->level + 1;
- int i;
+ int i, err = -ENOMEM;
ns = kmem_cache_zalloc(pid_ns_cachep, GFP_KERNEL);
if (ns == NULL)
@@ -96,14 +97,20 @@ static struct pid_namespace *create_pid_namespace(struct pid_namespace *parent_p
for (i = 1; i < PIDMAP_ENTRIES; i++)
atomic_set(&ns->pidmap[i].nr_free, BITS_PER_PAGE);
+ err = pid_ns_prepare_proc(ns);
+ if (err)
+ goto out_put_parent_pid_ns;
+
return ns;
+out_put_parent_pid_ns:
+ put_pid_ns(parent_pid_ns);
out_free_map:
kfree(ns->pidmap[0].page);
out_free:
kmem_cache_free(pid_ns_cachep, ns);
out:
- return ERR_PTR(-ENOMEM);
+ return ERR_PTR(err);
}
static void destroy_pid_namespace(struct pid_namespace *ns)