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| author | Eric W. Biederman <ebiederm@xmission.com> | 2020-04-28 20:00:39 +0200 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2020-04-28 23:46:04 +0200 |
| commit | c7f5194054e103d18d267385b866b5b90511a425 (patch) | |
| tree | ea8dcd9dbb0b0e83f67ba4f8ca2e1ac5707739a1 /kernel | |
| parent | posix-cpu-timer: Tidy up group_leader logic in lookup_task (diff) | |
| download | linux-c7f5194054e103d18d267385b866b5b90511a425.tar.xz linux-c7f5194054e103d18d267385b866b5b90511a425.zip | |
posix-cpu-timer: Unify the now redundant code in lookup_task
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/posix-cpu-timers.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index e4051e417bcb..b7f972fb115e 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -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; - } + /* + * For clock_gettime(PROCESS) the task does not need to be + * the actual group leader. task->signal gives + * access to the group's clock. + */ + if (gettime && (p == current)) + return p; /* * For processes require that p is group leader. |