netdev - Re: [PATCH 3.3.0 1/3] net:phy:bcm63xx: remove unnecessary code

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Message-ID: <4F7AC7B5.3040301@st.com>
Date:	Tue, 03 Apr 2012 10:49:41 +0100
From:	Srinivas KANDAGATLA <srinivas.kandagatla@...com>
To:	Joe Perches <joe@...ches.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH 3.3.0 1/3] net:phy:bcm63xx: remove unnecessary code

Yes, I have audited all the drivers. none of them return positive values.
In general, I think phy_write should return either 0 or an error code
and *NOT* positive values.
Any mdio bus driver returning positive values for phy_writes will break
the phylib too.

On 02/04/12 18:02, Joe Perches wrote:
> On Mon, 2012-04-02 at 17:51 +0100, Srinivas KANDAGATLA wrote:
>> On 02/04/12 17:42, Joe Perches wrote:
>>> On Mon, 2012-04-02 at 17:24 +0100, Srinivas KANDAGATLA wrote:
>>> Do these really make any functional difference?
>> No it does not make any functional difference.
>>> Doesn't the compiler generate the same output?
>> I think it will not generate same output.
> Yes, you are right.  The code currently returns 0 for
> non-error cases and you've changed it to possibly
> return a positive value.
>
> Have you checked all the callers to make sure this
> doesn't introduce a new defect?
>

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