netdev - Re: [PATCH] openvswitch: use -EEXIST as return error to be more precise

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Message-ID: <CAEP_g=8EqC_9K-0U3uk=4qzXg_QmgPCTocYaA28PQY+aofGnnQ@mail.gmail.com>
Date:	Thu, 30 May 2013 03:02:18 +0900
From:	Jesse Gross <jesse@...ira.com>
To:	Fan Du <fan.du@...driver.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>
Subject: Re: [PATCH] openvswitch: use -EEXIST as return error to be more precise

On Tue, May 28, 2013 at 3:31 PM, Fan Du <fan.du@...driver.com> wrote:
> ovs_vport_cmd_new create a new vport with port num specified by user.
> when this port num is already occupied, it's more clear to return
> -EEXIST as the reason than -EBUSY.
>
> Signed-off-by: Fan Du <fan.du@...driver.com>

This error code is part of the userspace ABI so you can't change it
without breaking existing applications.
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