workqueue: fix incorrect cpu number BUG_ON() in get_work_gcwq()

get_work_gcwq() was incorrectly triggering BUG_ON() if cpu number is
equal to or higher than num_possible_cpus() instead of nr_cpu_ids.
Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index b59c946433f4be8c1e572eb8b5a22b34836f9121..0c485a5380990d9b2d354cbf7674cbbd36d41f97 100644 (file)
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -445,7 +445,7 @@ static struct global_cwq *get_work_gcwq(struct work_struct *work)
        if (cpu == NR_CPUS)
                return NULL;
 
-       BUG_ON(cpu >= num_possible_cpus());
+       BUG_ON(cpu >= nr_cpu_ids);
        return get_gcwq(cpu);
 }