From mboxrd@z Thu Jan  1 00:00:00 1970
From: SF Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 20 Sep 2017 07:09:16 +0000
Subject: Re: [PATCH 4/6] [media] go7007: Use common error handling code in s2250_probe()
Message-Id: <a2259b43-381e-b59f-5e5d-082ae4e80d5e@users.sourceforge.net>
List-Id: <kernel-janitors.vger.kernel.org>
References: <b36ece3f-0f31-9bb6-14ae-c4abf7cd23ee@users.sourceforge.net>
 <c4d2e584-39ca-6e30-43ee-56088905149e@users.sourceforge.net>
 <20170919084216.ctvwpmswr3ckhwzc@mwanda>
In-Reply-To: <20170919084216.ctvwpmswr3ckhwzc@mwanda>
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To: Dan Carpenter <dan.carpenter@oracle.com>, linux-media@vger.kernel.org
Cc: Hans Verkuil <hans.verkuil@cisco.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org

>> @@ -555,17 +553,13 @@ static int s2250_probe(struct i2c_client *client,
>>  	/* initialize the audio */
>>  	if (write_regs(audio, aud_regs) < 0) {
>>  		dev_err(&client->dev, "error initializing audio\n");
>> -		goto fail;
>> +		goto e_io;
> 
> Preserve the error code.

Do you suggest then to adjust the implementation of the function "write_regs"
so that a more meaningful value would be used instead of the failure indication "-1"?

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/media/usb/go7007/s2250-board.c?h=v4.14-rc1#n302
http://elixir.free-electrons.com/linux/v4.14-rc1/source/drivers/media/usb/go7007/s2250-board.c#L298

Regards,
Markus