diff options
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index 19d4599c136c..a5a63dc0a491 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -112,9 +112,13 @@ static void delayed_put_pid(struct rcu_head *rhp) void free_pid(struct pid *pid) { int i; + struct pid_namespace *active_ns; lockdep_assert_not_held(&tasklist_lock); + active_ns = pid->numbers[pid->level].ns; + ns_ref_active_put(active_ns); + spin_lock(&pidmap_lock); for (i = 0; i <= pid->level; i++) { struct upid *upid = pid->numbers + i; @@ -278,6 +282,7 @@ struct pid *alloc_pid(struct pid_namespace *ns, pid_t *set_tid, } spin_unlock(&pidmap_lock); idr_preload_end(); + ns_ref_active_get(ns); return pid; |