From: Ido Schimmel <idosch@idosch.org>
To: Jakub Kicinski <kuba@kernel.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com,
pabeni@redhat.com, jiri@resnulli.us, johannes@sipsolutions.net,
fw@strlen.de, pablo@netfilter.org, amritha.nambiar@intel.com,
sridhar.samudrala@intel.com, hawk@kernel.org
Subject: Re: [PATCH net-next v2 2/3] netdev: let netlink core handle -EMSGSIZE errors
Date: Sun, 3 Mar 2024 17:08:21 +0200 [thread overview]
Message-ID: <ZeSSZSuXED2cIJDn@shredder> (raw)
In-Reply-To: <20240303052408.310064-3-kuba@kernel.org>
On Sat, Mar 02, 2024 at 09:24:07PM -0800, Jakub Kicinski wrote:
> Previous change added -EMSGSIZE handling to af_netlink, we don't
> have to hide these errors any longer.
>
> Theoretically the error handling changes from:
> if (err == -EMSGSIZE)
> to
> if (err == -EMSGSIZE && skb->len)
>
> everywhere, but in practice it doesn't matter.
> All messages fit into NLMSG_GOODSIZE, so overflow of an empty
> skb cannot happen.
>
> Reviewed-by: Eric Dumazet <edumazet@google.com>
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
next prev parent reply other threads:[~2024-03-03 15:08 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-03 5:24 [PATCH net-next v2 0/3] netlink: handle EMSGSIZE errors in the core Jakub Kicinski
2024-03-03 5:24 ` [PATCH net-next v2 1/3] " Jakub Kicinski
2024-03-03 15:01 ` Ido Schimmel
2024-03-03 5:24 ` [PATCH net-next v2 2/3] netdev: let netlink core handle -EMSGSIZE errors Jakub Kicinski
2024-03-03 15:08 ` Ido Schimmel [this message]
2024-03-03 5:24 ` [PATCH net-next v2 3/3] genetlink: fit NLMSG_DONE into same read() as families Jakub Kicinski
2024-03-03 15:10 ` Ido Schimmel
2024-03-15 11:48 ` Stefano Brivio
2024-03-19 15:55 ` Jakub Kicinski
2024-03-19 17:17 ` Eric Dumazet
2024-03-19 17:40 ` Jakub Kicinski
2024-03-21 12:56 ` Gal Pressman
2024-03-21 13:51 ` Ido Schimmel
2024-03-21 15:03 ` Gal Pressman
2024-03-21 17:26 ` Eric Dumazet
2024-03-21 17:41 ` Ido Schimmel
2024-04-03 22:52 ` Ilya Maximets
2024-04-11 15:16 ` Jakub Kicinski
2024-04-11 15:39 ` Ilya Maximets
2024-04-11 15:52 ` Jakub Kicinski
2024-04-11 16:38 ` Ilya Maximets
2024-04-11 18:03 ` Jakub Kicinski
2024-04-11 18:04 ` Jakub Kicinski
2024-03-19 23:36 ` David Gibson
2024-03-06 8:10 ` [PATCH net-next v2 0/3] netlink: handle EMSGSIZE errors in the core patchwork-bot+netdevbpf
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