linux-kernel - [PATCH v2 7/8] Convert vhost to kvzalloc

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Message-Id: <20180214201154.10186-8-willy@infradead.org>
Date:   Wed, 14 Feb 2018 12:11:53 -0800
From:   Matthew Wilcox <willy@...radead.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Matthew Wilcox <mawilcox@...rosoft.com>, linux-mm@...ck.org,
        Kees Cook <keescook@...omium.org>,
        linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com,
        Joe Perches <joe@...ches.com>
Subject: [PATCH v2 7/8] Convert vhost to kvzalloc_struct

From: Matthew Wilcox <mawilcox@...rosoft.com>

Signed-off-by: Matthew Wilcox <mawilcox@...rosoft.com>
---
 drivers/vhost/vhost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 1b3e8d2d5c8b..fa6c8fa80dd1 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1284,7 +1284,7 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m)
 		return -EOPNOTSUPP;
 	if (mem.nregions > max_mem_regions)
 		return -E2BIG;
-	newmem = kvzalloc(size + mem.nregions * sizeof(*m->regions), GFP_KERNEL);
+	newmem = kvzalloc_struct(newmem, regions, mem.nregions, GFP_KERNEL);
 	if (!newmem)
 		return -ENOMEM;
 
-- 
2.15.1