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| author | Christian Brauner <christian.brauner@ubuntu.com> | 2019-10-17 12:18:31 +0200 |
|---|---|---|
| committer | Christian Brauner <christian.brauner@ubuntu.com> | 2019-10-17 15:36:58 +0200 |
| commit | 1722c14a2097634a7ba37000c0ec7d9409918b64 (patch) | |
| tree | 2f79c4d11be8e5d43f9921ef7f9cfd7d9bf1ea01 /kernel/exit.c | |
| parent | 1d416a113f0c0da7a3608ffe4d44bd8e9c4859fa (diff) | |
| download | linux-1722c14a2097634a7ba37000c0ec7d9409918b64.tar.gz linux-1722c14a2097634a7ba37000c0ec7d9409918b64.tar.bz2 linux-1722c14a2097634a7ba37000c0ec7d9409918b64.zip | |
exit: use pid_has_task() in do_wait()
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/20191017101832.5985-4-christian.brauner@ubuntu.com
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index a46a50d67002..f2d20ab74422 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1457,7 +1457,7 @@ repeat: */ 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 || !pid_has_task(wo->wo_pid, wo->wo_type))) goto notask; set_current_state(TASK_INTERRUPTIBLE); |