From: Zheng Yongjun <zhengyongjun3@huawei.com>
Date: Thu, 4 Feb 2021 07:42:54 +0000 (+0800)
Subject: xfrm: Return the correct errno code
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4ac7a6eecbec90c7f83d5ea6f0498d9fa9c62917;p=linux.git

xfrm: Return the correct errno code

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

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 0727ac853b550..5a0ef4361e436 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2504,7 +2504,7 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh,
 		encap = kmemdup(nla_data(attrs[XFRMA_ENCAP]),
 				sizeof(*encap), GFP_KERNEL);
 		if (!encap)
-			return 0;
+			return -ENOMEM;
 	}
 
 	err = xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp, net, encap);