Oleg Nesterov ac8148d957 bpf: bpf_iter_task_next: use next_task(kit->task) rather than next_task(kit->pos) ...

This looks more clear and simplifies the code. While at it, remove the
unnecessary initialization of pos/task at the start of bpf_iter_task_new().

Note that we can even kill kit->task, we can just use pos->group_leader,
but I don't understand the BUILD_BUG_ON() checks in bpf_iter_task_new().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20231114163239.GA903@redhat.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

2023-11-19 11:43:44 -08:00

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