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authorChristian Brauner <christian.brauner@ubuntu.com>2019-10-17 12:18:30 +0200
committerChristian Brauner <christian.brauner@ubuntu.com>2019-10-17 15:36:56 +0200
commit1d416a113f0c0da7a3608ffe4d44bd8e9c4859fa (patch)
treed436aa01f63d87bf4a1f9c38b87198c64aef1358
parent67fc700016b75d6306b65d68edd2e5d76b2b1160 (diff)
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
-rw-r--r--kernel/pid.c2
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);