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 0727ac853b5509e0500c93db77ecc113bf358612..5a0ef4361e436a8ab4a5252e97583ce5b6d3dc83 100644 (file)
--- 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);