linux-kernel - Re: [PATCH 1/1] char: ipmi: convert to use i2c_new_client

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Message-ID: <20200513071004.GA1043@ninjato>
Date:   Wed, 13 May 2020 09:10:04 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     Corey Minyard <minyard@....org>
Cc:     linux-i2c@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        openipmi-developer@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] char: ipmi: convert to use i2c_new_client_device()


> > -	addr_info->added_client = i2c_new_device(to_i2c_adapter(adev),
> > -						 &addr_info->binfo);
> > +	addr_info->added_client = i2c_new_client_device(to_i2c_adapter(adev),
> > +							&addr_info->binfo);
> 
> i2c_new_client_device returns an ERR_PTR, not NULL on error.  So this

Yes, this is the main motivation for the new API.

> needs some more work.  I'll send something out soon.

Why does it need that work? 'added_client' is only used with
i2c_unregister_device() which has been fixed to handle ERR_PTR as well.
Or am I missing something?


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