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| author | Christian Brauner <christian.brauner@ubuntu.com> | 2019-10-17 12:18:30 +0200 |
|---|---|---|
| committer | Christian Brauner <christian.brauner@ubuntu.com> | 2019-10-17 15:36:56 +0200 |
| commit | 1d416a113f0c0da7a3608ffe4d44bd8e9c4859fa (patch) | |
| tree | d436aa01f63d87bf4a1f9c38b87198c64aef1358 /kernel/pid.c | |
| parent | test: verify fdinfo for pidfd of reaped process (diff) | |
| download | linux-1d416a113f0c0da7a3608ffe4d44bd8e9c4859fa.tar.xz linux-1d416a113f0c0da7a3608ffe4d44bd8e9c4859fa.zip | |
pid: use pid_has_task() in __change_pid()
Replace hlist_empty() with the new pid_has_task() helper which is more
idiomatic, easier to grep for, and unifies how callers perform this
check.
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20191017101832.5985-3-christian.brauner@ubuntu.com
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index 0a9f2e437217..124d40b239b1 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -299,7 +299,7 @@ static void __change_pid(struct task_struct *task, enum pid_type type, *pid_ptr = new; for (tmp = PIDTYPE_MAX; --tmp >= 0; ) - if (!hlist_empty(&pid->tasks[tmp])) + if (pid_has_task(pid, tmp)) return; free_pid(pid); |