linux-kernel - Re: [PATCH] sctp: handle error of sctp_sf_heartbeat() in sctp_sf_do

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Message-ID: <b7821109-e0b6-441d-a15a-580bd7bd4c50@web.de>
Date: Wed, 12 Mar 2025 13:33:21 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: vulab@...as.ac.cn, linux-sctp@...r.kernel.org, netdev@...r.kernel.org
Cc: LKML <linux-kernel@...r.kernel.org>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>,
 Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
 Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>,
 Xin Long <lucien.xin@...il.com>
Subject: Re: [PATCH] sctp: handle error of sctp_sf_heartbeat() in
 sctp_sf_do_asconf()

> In sctp_sf_do_asconf(), SCTP_DISPOSITION_NOMEM error code returned
> from sctp_sf_heartbeat() represent a failure of sent HEARTBEAT. The

                                                       heartbeat?

Would the error predicate “return value != SCTP_DISPOSITION_CONSUME” be safer?
https://elixir.bootlin.com/linux/v6.14-rc6/source/include/net/sctp/sm.h#L43

> return value of sctp_sf_heartbeat() needs to be checked and propagates
> to caller function.

Will imperative wordings be more desirable for such a change description?
https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.14-rc6#n94

Regards,
Markus