David Miller wrote:
From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Sun, 01 Feb 2009 14:33:57 +0100
In short, I think that the change that I'm proposing would also require
to fix some netlink_broadcast() clients to skip ENOBUFS errors: they are
not meaningful for them since they assume that Netlink is unreliable and
so the return value does not provide any useful information.
I think this analysis is accurate.
We have at least one case where the caller wants to know of
any successful delivery. Keymanager queries done by xfrm_state
want to know whether an acquire was delivered to any keymanager.
So we need to continue to indicate this, maybe using a different
errno code than -ENOBUFS. I don't have a suggestion which one to
use though.
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