Subject: Re: [PATCH] compat bug in sys_recvmsg, MSG_CMSG_COMPAT check missing

From: "David S. Miller" <[email-masked]>
Date: Sat, 5 Jun 2004 14:05:44 -0700

[ Replying to myself :-) ]

On Sat, 5 Jun 2004 14:01:53 -0700
"David S. Miller" <[email-masked]> wrote:

> Let's ask a better question, why do we need to pass this thing down
> into the implementations anyways?

It's for net/core/scm.c handling, sigh.

This means also that Olaf's patch is broken, when CONFIG_COMPAT is not
set, MSG_CMSG_COMPAT is zero, thus ~MSG_CMSG_COMPAT is the unexpected
value all 1's thus breaking the tests for unexpected flags completely.

Any better ideas?