diff options
| -rw-r--r-- | fs/proc/base.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index a11eb7196ec8..2a0f5ee9b623 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1083,15 +1083,9 @@ static ssize_t oom_adj_write(struct file *file, const char __user *buf, goto out; } - task_lock(task); - if (!task->mm) { - err = -EINVAL; - goto err_task_lock; - } - if (!lock_task_sighand(task, &flags)) { err = -ESRCH; - goto err_task_lock; + goto err_put_task; } /* @@ -1121,8 +1115,7 @@ static ssize_t oom_adj_write(struct file *file, const char __user *buf, trace_oom_score_adj_update(task); err_sighand: unlock_task_sighand(task, &flags); -err_task_lock: - task_unlock(task); +err_put_task: put_task_struct(task); out: return err < 0 ? err : count; @@ -1186,15 +1179,9 @@ static ssize_t oom_score_adj_write(struct file *file, const char __user *buf, goto out; } - task_lock(task); - if (!task->mm) { - err = -EINVAL; - goto err_task_lock; - } - if (!lock_task_sighand(task, &flags)) { err = -ESRCH; - goto err_task_lock; + goto err_put_task; } if ((short)oom_score_adj < task->signal->oom_score_adj_min && @@ -1210,8 +1197,7 @@ static ssize_t oom_score_adj_write(struct file *file, const char __user *buf, err_sighand: unlock_task_sighand(task, &flags); -err_task_lock: - task_unlock(task); +err_put_task: put_task_struct(task); out: return err < 0 ? err : count; |