From d8b2e3e17c33ab4874a7431d6c314c4939145160 Mon Sep 17 00:00:00 2001
From: Zheng Yongjun <zhengyongjun3@huawei.com>
Date: Wed, 2 Jun 2021 22:06:40 +0800
Subject: [PATCH] net: Return the correct errno code

[ Upstream commit 49251cd00228a3c983651f6bb2f33f6a0b8f152e ]

When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/compat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/compat.c b/net/compat.c
index ddd15af3a283..210fc3b4d0d8 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -177,7 +177,7 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk,
 	if (kcmlen > stackbuf_size)
 		kcmsg_base = kcmsg = sock_kmalloc(sk, kcmlen, GFP_KERNEL);
 	if (kcmsg == NULL)
-		return -ENOBUFS;
+		return -ENOMEM;
 
 	/* Now copy them over neatly. */
 	memset(kcmsg, 0, kcmlen);