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From: Tejun Heo on 2 Jul 2010 04:40
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(a)kernel.org>
---
kernel/workqueue.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index b59c946..0c485a5 100644
--- 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);
}

--
1.6.4.2

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