diff options
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | fs/proc/base.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index f223a56e613c..be8e17cabfc7 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -3106,23 +3106,23 @@ static struct task_struct *first_tid(struct task_struct *leader, } /* If nr exceeds the number of threads there is nothing todo */ - pos = NULL; if (nr && nr >= get_nr_threads(leader)) - goto out; + goto fail; /* It could be unhashed before we take rcu lock */ if (!pid_alive(leader)) - goto out; + goto fail; /* If we haven't found our starting place yet start * with the leader and walk nr threads forward. */ - for (pos = leader; nr > 0; --nr) { - pos = next_thread(pos); - if (pos == leader) { - pos = NULL; - goto out; - } - } + pos = leader; + do { + if (nr-- <= 0) + goto found; + } while_each_thread(leader, pos); +fail: + pos = NULL; + goto out; found: get_task_struct(pos); out: |