diff options
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index d3ad724afa8..d76f59326bd 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -247,13 +247,16 @@ struct pid * fastcall find_pid(int nr) } EXPORT_SYMBOL_GPL(find_pid); -int fastcall attach_pid(struct task_struct *task, enum pid_type type, int nr) +/* + * attach_pid() must be called with the tasklist_lock write-held. + */ +int fastcall attach_pid(struct task_struct *task, enum pid_type type, + struct pid *pid) { struct pid_link *link; - struct pid *pid; link = &task->pids[type]; - link->pid = pid = find_pid(nr); + link->pid = pid; hlist_add_head_rcu(&link->node, &pid->tasks[type]); return 0; |