From: Zheng Yongjun <zhengyongjun3@huawei.com>
Date: Wed, 2 Jun 2021 14:06:40 +0000 (+0800)
Subject: net: Return the correct errno code
X-Git-Tag: v5.4.127~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=51cc5ad292dac192cfcdf25bd6f098f3d67e3ec6;p=users%2Fdwmw2%2Flinux.git

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>
---

diff --git a/net/compat.c b/net/compat.c
index c848bcb517f3e..f5b88166c44a5 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -160,7 +160,7 @@ 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);