linux-kernel - Re: [PATCH] net: bind() fix error return on wrong address family

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Message-Id: <20110704.213808.1604572852149444948.davem@davemloft.net>
Date:	Mon, 04 Jul 2011 21:38:08 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	meissner@...ell.com
Cc:	kuznet@....inr.ac.ru, pekkas@...core.fi, jmorris@...ei.org,
	yoshfuji@...ux-ipv6.org, kaber@...sh.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, meissner@...e.de, max@...e.de
Subject: Re: [PATCH] net: bind() fix error return on wrong address family

From: Marcus Meissner <meissner@...ell.com>
Date: Mon,  4 Jul 2011 13:30:29 +0200

> Reinhard Max also pointed out that the error should EAFNOSUPPORT according
> to POSIX.
> 
> The Linux manpages have it as EINVAL, some other OSes (Minix, HPUX, perhaps BSD) use
> EAFNOSUPPORT. Windows uses WSAEFAULT according to MSDN.
> 
> Other protocols error values in their af bind() methods in current mainline git as far
> as a brief look shows:
> 	EAFNOSUPPORT: atm, appletalk, l2tp, llc, phonet, rxrpc
> 	EINVAL: ax25, bluetooth, decnet, econet, ieee802154, iucv, netlink, netrom, packet, rds, rose, unix, x25, 
> 	No check?: can/raw, ipv6/raw, irda, l2tp/l2tp_ip
> 
> Signed-off-by: Marcus Meissner <meissner@...e.de>
> Cc: Reinhard Max <max@...e.de>

Applied to net-2.6, thanks.
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