posix-cpu-timer: Unify the now redundant code in lookup_task (c7f51940) · Commits · 戴 / test

Now that both !thread paths through lookup_task call thread_group_leader, unify them into the single test at the end of lookup_task. This unification just makes it clear what is happening in the gettime special case of lookup_task. Signed-off-by:

"Eric W. Biederman" <ebiederm@xmission.com>

kernel/time/posix-cpu-timers.c

+7 −8

Original line number	Diff line number	Diff line
		@@ -66,14 +66,13 @@ static struct task_struct *lookup_task(const pid_t pid, bool thread,
		if (thread)
		return same_thread_group(p, current) ? p : NULL;

		if (gettime) {
		/*
		* For clock_gettime(PROCESS) the task does not need to be
		* the actual group leader. task->signal gives
		* access to the group's clock.
		*/
		return (p == current \|\| thread_group_leader(p)) ? p : NULL;
		}
		if (gettime && (p == current))
		return p;

		/*
		* For processes require that p is group leader.

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