wq_numa_init() will quit directly on some bonkers cases without freeing the
memory.  Add the missing cleanup code.

Cc: Tejun Heo <t...@kernel.org>
Cc: Yasuaki Ishimatsu <isimatu.yasu...@jp.fujitsu.com>
Cc: "Gu, Zheng" <guz.f...@cn.fujitsu.com>
Cc: tangchen <tangc...@cn.fujitsu.com>
Cc: Hiroyuki KAMEZAWA <kamezawa.hir...@jp.fujitsu.com>
Signed-off-by: Lai Jiangshan <la...@cn.fujitsu.com>
---
 kernel/workqueue.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 09b685d..a6fd2b8 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -4811,6 +4811,9 @@ static void __init wq_numa_init(void)
                if (WARN_ON(node == NUMA_NO_NODE)) {
                        pr_warn("workqueue: NUMA node mapping not available for 
cpu%d, disabling NUMA support\n", cpu);
                        /* happens iff arch is bonkers, let's just proceed */
+                       for_each_node(node)
+                               free_cpumask_var(tbl[node]);
+                       kfree(tbl);
                        return;
                }
                cpumask_set_cpu(cpu, tbl[node]);
-- 
1.7.4.4

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