netdev - [PATCH v3 net-next 4/4] rtnetlink: return EINVAL when request cannot succeed

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Message-Id: <20220407122559.27515-5-florent.fourcot@wifirst.fr>
Date:   Thu,  7 Apr 2022 14:25:59 +0200
From:   Florent Fourcot <florent.fourcot@...irst.fr>
To:     netdev@...r.kernel.org
Cc:     cong.wang@...edance.com, edumazet@...gle.com,
        Florent Fourcot <florent.fourcot@...irst.fr>,
        Brian Baboch <brian.baboch@...irst.fr>
Subject: [PATCH v3 net-next 4/4] rtnetlink: return EINVAL when request cannot succeed

A request without interface name/interface index/interface group cannot
work. We should return EINVAL

Signed-off-by: Florent Fourcot <florent.fourcot@...irst.fr>
Signed-off-by: Brian Baboch <brian.baboch@...irst.fr>
---
 net/core/rtnetlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d2164bc635d3..a9a0762eaa1a 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3420,7 +3420,7 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
 			return rtnl_group_changelink(skb, net,
 						nla_get_u32(tb[IFLA_GROUP]),
 						ifm, extack, tb);
-		return -ENODEV;
+		return -EINVAL;
 	}
 
 	if (tb[IFLA_MAP] || tb[IFLA_PROTINFO])
-- 
2.30.2