linux-kernel - [PATCH] block: convert kmalloc_node to kzalloc

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Message-Id: <1554646888-28891-1-git-send-email-xianting_tian@126.com>
Date:   Sun,  7 Apr 2019 10:21:28 -0400
From:   Tian Xianting <xianting_tian@....com>
To:     axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tian Xianting <xianting_tian@....com>
Subject: [PATCH] block: convert kmalloc_node to kzalloc_node

Use kzalloc_node to zero allocated buffer, as deadline and cfq I/O
scheduler initialization function (deadline_init_queue, cfq_init_queue)
did.

Signed-off-by: Tian Xianting <xianting_tian@....com>
---
 block/noop-iosched.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index 2d1b15d..739e8cd 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -68,7 +68,7 @@ static int noop_init_queue(struct request_queue *q, struct elevator_type *e)
 	if (!eq)
 		return -ENOMEM;
 
-	nd = kmalloc_node(sizeof(*nd), GFP_KERNEL, q->node);
+	nd = kzalloc_node(sizeof(*nd), GFP_KERNEL, q->node);
 	if (!nd) {
 		kobject_put(&eq->kobj);
 		return -ENOMEM;
-- 
1.8.3.1