[PATCH] rcuscale: using kmalloc_array() to relpace kmalloc()

[Su Hui <suhui@xxxxxxxxxxxx>]

It's safer to using kmalloc_array() because it can prevent overflow
problem.

Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx>
---
 kernel/rcu/rcuscale.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
index 0f3059b1b80d..cbe2195f08d6 100644
--- a/kernel/rcu/rcuscale.c
+++ b/kernel/rcu/rcuscale.c
@@ -762,7 +762,7 @@ kfree_scale_thread(void *arg)
 		}
 
 		for (i = 0; i < kfree_alloc_num; i++) {
-			alloc_ptr = kmalloc(kfree_mult * sizeof(struct kfree_obj), GFP_KERNEL);
+			alloc_ptr = kmalloc_array(kfree_mult, sizeof(struct kfree_obj), GFP_KERNEL);
 			if (!alloc_ptr)
 				return -ENOMEM;
 
-- 
2.30.2