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bpf: Use thread_group_leader()

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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@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20201218185032.2464558-3-jonathan.lemon@gmail.com
This commit is contained in:
Jonathan Lemon 2020-12-18 10:50:31 -08:00 • committed by Daniel Borkmann
parent 69ca310f34
commit a61daaf351
1 changed files with 1 additions and 1 deletions
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2
kernel/bpf/task_iter.c
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@ -37,7 +37,7 @@ retry:
if (!task) { if (!task) {
++*tid; ++*tid;
goto retry; 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) { task->files == task->group_leader->files) {
put_task_struct(task); put_task_struct(task);
task = NULL; task = NULL;