netdev - [PATCHv2 net-next 2/3] bonding: use correct return value

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Message-ID: <20241017020638.6905-3-liuhangbin@gmail.com>
Date: Thu, 17 Oct 2024 02:06:37 +0000
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Andrii Nakryiko <andriin@...com>,
	Jussi Maki <joamaki@...il.com>,
	Jay Vosburgh <jv@...sburgh.net>,
	Andy Gospodarek <andy@...yhouse.net>,
	Jonathan Corbet <corbet@....net>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	bpf@...r.kernel.org,
	Hangbin Liu <liuhangbin@...il.com>,
	Nikolay Aleksandrov <razor@...ckwall.org>
Subject: [PATCHv2 net-next 2/3] bonding: use correct return value

When a slave already has an XDP program loaded, the correct return value
should be -EEXIST instead of -EOPNOTSUPP.

Fixes: 9e2ee5c7e7c3 ("net, bonding: Add XDP support to the bonding driver")
Reviewed-by: Nikolay Aleksandrov <razor@...ckwall.org>
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 drivers/net/bonding/bond_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index f0f76b6ac8be..6887a867fe8b 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5699,7 +5699,7 @@ static int bond_xdp_set(struct net_device *dev, struct bpf_prog *prog,
 		if (dev_xdp_prog_count(slave_dev) > 0) {
 			SLAVE_NL_ERR(dev, slave_dev, extack,
 				     "Slave has XDP program loaded, please unload before enslaving");
-			err = -EOPNOTSUPP;
+			err = -EEXIST;
 			goto err;
 		}
 
-- 
2.46.0