linux-kernel - [PATCH] net/netfilter/x_tables.c: Use kvalloc to make your code better

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Message-Id: <20211210031244.13372-1-sensor1010@163.com>
Date:   Thu,  9 Dec 2021 19:12:44 -0800
From:   lizhe <sensor1010@....com>
To:     pablo@...filter.org, kadlec@...filter.org, fw@...len.de,
        davem@...emloft.net, kuba@...nel.org, sensor1010@....com
Cc:     netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net/netfilter/x_tables.c: Use kvalloc to make your code better

Use kvzalloc () instead of kvmalloc () and memset

Signed-off-by: lizhe <sensor1010@....com>
---
 net/netfilter/x_tables.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 25524e393349..8d6ffed7d526 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -1189,11 +1189,10 @@ struct xt_table_info *xt_alloc_table_info(unsigned int size)
 	if (sz < sizeof(*info) || sz >= XT_MAX_TABLE_SIZE)
 		return NULL;
 
-	info = kvmalloc(sz, GFP_KERNEL_ACCOUNT);
+	info = kvzalloc(sz, GFP_KERNEL_ACCOUNT);
 	if (!info)
 		return NULL;
 
-	memset(info, 0, sizeof(*info));
 	info->size = size;
 	return info;
 }
-- 
2.25.1