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Date: Wed, 11 Mar 2020 00:35:52 -0300 From: Marcelo Ricardo Leitner <marcelo.leitner@...il.com> To: David Miller <davem@...emloft.net> Cc: lucien.xin@...il.com, netdev@...r.kernel.org, linux-sctp@...r.kernel.org, nhorman@...driver.com, jere.leppanen@...ia.com, michael.tuexen@...chi.franken.de Subject: Re: [PATCH net] sctp: return a one-to-one type socket when doing peeloff On Mon, Mar 09, 2020 at 06:09:49PM -0700, David Miller wrote: > From: Xin Long <lucien.xin@...il.com> > Date: Mon, 2 Mar 2020 14:57:15 +0800 > > > As it says in rfc6458#section-9.2: > > > > The application uses the sctp_peeloff() call to branch off an > > association into a separate socket. (Note that the semantics are > > somewhat changed from the traditional one-to-one style accept() > > call.) Note also that the new socket is a one-to-one style socket. > > Thus, it will be confined to operations allowed for a one-to-one > > style socket. > > > > Prior to this patch, sctp_peeloff() returned a one-to-many type socket, > > on which some operations are not allowed, like shutdown, as Jere > > reported. > > > > This patch is to change it to return a one-to-one type socket instead. > > > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > > Reported-by: Leppanen, Jere (Nokia - FI/Espoo) <jere.leppanen@...ia.com> > > Signed-off-by: Xin Long <lucien.xin@...il.com> > > I don't know what to do with this patch. > > There seems to be some discussion about a potential alternative approach > to the fix, but there were problems with that suggestion. > > Please advise, thank you. Please drop it. As you noticed, we do need more discussions around it. Thanks.
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