[PATCH] workqueue: fix memory leak in wq_numa_init()

From: Yi Wang
Date: Sun Aug 05 2018 - 21:21:10 EST


The 'tbl' variable may leak when return in function
wq_numa_init(), and this patch fixes this.

Signed-off-by: Yi Wang <wang.yi59@xxxxxxxxxx>
Reviewed-by: Jiang Biao <jiang.biao2@xxxxxxxxxx>
---
kernel/workqueue.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 78b1920..9321a05 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -5649,6 +5649,7 @@ static void __init wq_numa_init(void)
node = cpu_to_node(cpu);
if (WARN_ON(node == NUMA_NO_NODE)) {
pr_warn("workqueue: NUMA node mapping not available for cpu%d, disabling NUMA support\n", cpu);
+ kfree(tbl);
/* happens iff arch is bonkers, let's just proceed */
return;
}
--
1.8.3.1