diff options
| author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2010-05-16 19:40:56 -0300 |
|---|---|---|
| committer | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2010-05-16 19:40:56 -0300 |
| commit | b65b34895437915f411882dd40d704eb0863ffb0 (patch) | |
| tree | 3e9302ab09c9a9068fd8fd80708ef3a35b55e665 /kernel/pid.c | |
| parent | 88cc83772a3c7756b9f2b4ba835545ad90a08409 (diff) | |
| parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) | |
Merge mainline (v2.6.34-rc7)
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index 2e17c9c92cb..aebb30d9c23 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -367,7 +367,9 @@ struct task_struct *pid_task(struct pid *pid, enum pid_type type) struct task_struct *result = NULL; if (pid) { struct hlist_node *first; - first = rcu_dereference(pid->tasks[type].first); + first = rcu_dereference_check(pid->tasks[type].first, + rcu_read_lock_held() || + lockdep_tasklist_lock_is_held()); if (first) result = hlist_entry(first, struct task_struct, pids[(type)].node); } @@ -376,7 +378,7 @@ struct task_struct *pid_task(struct pid *pid, enum pid_type type) EXPORT_SYMBOL(pid_task); /* - * Must be called under rcu_read_lock() or with tasklist_lock read-held. + * Must be called under rcu_read_lock(). */ struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns) { |