1 files changed, 1 insertions, 2 deletions

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 7ea75529eabb..9f9983b0a27d 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3714,8 +3714,7 @@ apply_wqattrs_prepare(struct workqueue_struct *wq,
 
         lockdep_assert_held(&wq_pool_mutex);
 
-        ctx = kzalloc(sizeof(*ctx) + nr_node_ids * sizeof(ctx->pwq_tbl[0]),
-                      GFP_KERNEL);
+        ctx = kzalloc(struct_size(ctx, pwq_tbl, nr_node_ids), GFP_KERNEL);
 
         new_attrs = alloc_workqueue_attrs(GFP_KERNEL);
         tmp_attrs = alloc_workqueue_attrs(GFP_KERNEL);