On Fri, Dec 18, 2020 at 12:47 PM Jonathan Lemon
<jonathan.lemon@xxxxxxxxx> wrote:
>
> From: Jonathan Lemon <bsd@xxxxxx>
>
> Instead of directly comparing task->tgid and task->pid, use the
> thread_group_leader() helper. This helps with readability, and
> there should be no functional change.
>
> Signed-off-by: Jonathan Lemon <jonathan.lemon@xxxxxxxxx>
> ---
Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> kernel/bpf/task_iter.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c
> index 8033ab19138a..dc4007f1843b 100644
> --- a/kernel/bpf/task_iter.c
> +++ b/kernel/bpf/task_iter.c
> @@ -37,7 +37,7 @@ static struct task_struct *task_seq_get_next(struct pid_namespace *ns,
> if (!task) {
> ++*tid;
> goto retry;
> - } else if (skip_if_dup_files && task->tgid != task->pid &&
> + } else if (skip_if_dup_files && !thread_group_leader(task) &&
> task->files == task->group_leader->files) {
> put_task_struct(task);
> task = NULL;
> --
> 2.24.1
>
