From: Simon Horman <horms@kernel•org>
To: Hangbin Liu <liuhangbin@gmail•com>
Cc: "Toke Høiland-Jørgensen" <toke@redhat•com>,
netdev@vger•kernel.org, "David S. Miller" <davem@davemloft•net>,
"Eric Dumazet" <edumazet@google•com>,
"Jakub Kicinski" <kuba@kernel•org>,
"Paolo Abeni" <pabeni@redhat•com>,
"Alexei Starovoitov" <ast@kernel•org>,
"Daniel Borkmann" <daniel@iogearbox•net>,
"Jesper Dangaard Brouer" <hawk@kernel•org>,
"John Fastabend" <john.fastabend@gmail•com>,
"Jiri Pirko" <jiri@resnulli•us>,
"Sebastian Andrzej Siewior" <bigeasy@linutronix•de>,
"Lorenzo Bianconi" <lorenzo@kernel•org>,
"Andrii Nakryiko" <andriin@fb•com>,
"Jussi Maki" <joamaki@gmail•com>,
"Jay Vosburgh" <jv@jvosburgh•net>,
"Andy Gospodarek" <andy@greyhouse•net>,
"Jonathan Corbet" <corbet@lwn•net>,
"Andrew Lunn" <andrew+netdev@lunn•ch>,
linux-doc@vger•kernel.org, linux-kernel@vger•kernel.org,
bpf@vger•kernel.org, "Nikolay Aleksandrov" <razor@blackwall•org>
Subject: Re: [PATCHv2 net-next 2/3] bonding: use correct return value
Date: Fri, 18 Oct 2024 10:41:39 +0100 [thread overview]
Message-ID: <20241018094139.GD1697@kernel.org> (raw)
In-Reply-To: <ZxGv2s4bl5VQV4g-@fedora>
On Fri, Oct 18, 2024 at 12:46:18AM +0000, Hangbin Liu wrote:
> On Thu, Oct 17, 2024 at 04:47:19PM +0200, Toke Høiland-Jørgensen wrote:
> > > 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;
> >
> > Hmm, this has been UAPI since kernel 5.15, so can we really change it
> > now? What's the purpose of changing it, anyway?
>
> I just think it should return EXIST when the error is "Slave has XDP program
> loaded". No special reason. If all others think we should not change it, I
> can drop this patch.
Hi Toke,
Could you add some colour to what extent user's might rely on this error code?
Basically I think that if they do then we shouldn't change this.
next prev parent reply other threads:[~2024-10-18 9:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-17 2:06 [PATCHv2 net-next 0/3] Bonding: returns detailed error about XDP failures Hangbin Liu
2024-10-17 2:06 ` [PATCHv2 net-next 1/3] bonding: return detailed error when loading native XDP fails Hangbin Liu
2024-10-17 14:45 ` Toke Høiland-Jørgensen
2024-10-17 2:06 ` [PATCHv2 net-next 2/3] bonding: use correct return value Hangbin Liu
2024-10-17 14:47 ` Toke Høiland-Jørgensen
2024-10-18 0:46 ` Hangbin Liu
2024-10-18 9:41 ` Simon Horman [this message]
2024-10-18 11:29 ` Toke Høiland-Jørgensen
2024-10-18 14:21 ` Simon Horman
2024-10-19 0:51 ` Hangbin Liu
2024-10-19 9:19 ` Simon Horman
2024-10-17 2:06 ` [PATCHv2 net-next 3/3] Documentation: bonding: add XDP support explanation Hangbin Liu
2024-10-17 8:42 ` Nikolay Aleksandrov
2024-10-17 8:40 ` [PATCHv2 net-next 0/3] Bonding: returns detailed error about XDP failures Nikolay Aleksandrov
2024-10-17 9:26 ` Hangbin Liu
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