Replace hlist_empty() with the new task_alive() helper which is more idiomatic, easier to grep for, and unifies how callers perform this check. Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Signed-off-by: Christian Brauner <christian.brauner@xxxxxxxxxx> --- /* v1 */ patch not present /* v2 */ patch introduced --- kernel/exit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/exit.c b/kernel/exit.c index a46a50d67002..2bb0cbe94bda 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1457,7 +1457,7 @@ static long do_wait(struct wait_opts *wo) */ wo->notask_error = -ECHILD; if ((wo->wo_type < PIDTYPE_MAX) && - (!wo->wo_pid || hlist_empty(&wo->wo_pid->tasks[wo->wo_type]))) + (!wo->wo_pid || !task_alive(wo->wo_pid, wo->wo_type))) goto notask; set_current_state(TASK_INTERRUPTIBLE); -- 2.23.0
