From 4827608e40d48e842b15c16d1e77604b026be640 Mon Sep 17 00:00:00 2001
From: liuguoqiang <liuguoqiang@uniontech.com>
Date: Fri, 14 Jan 2022 19:30:23 +0800
Subject: [PATCH] net: return correct error code

stable inclusion
from stable-v5.10.84
commit 3fc88660ede60a5f6a7a8bf48efe6f5bfaae6cb1
bugzilla: 186030 https://gitee.com/openeuler/kernel/issues/I4QV2F

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3fc88660ede60a5f6a7a8bf48efe6f5bfaae6cb1

--------------------------------

[ Upstream commit 6def480181f15f6d9ec812bca8cbc62451ba314c ]

When kmemdup called failed and register_net_sysctl return NULL, should
return ENOMEM instead of ENOBUFS

Signed-off-by: liuguoqiang <liuguoqiang@uniontech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
---
 net/ipv4/devinet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 7c1859777429..148ef484a66c 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -2582,7 +2582,7 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name,
 free:
 	kfree(t);
 out:
-	return -ENOBUFS;
+	return -ENOMEM;
 }
 
 static void __devinet_sysctl_unregister(struct net *net,
-- 
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