linux-kernel - Re: [PATCH v5 2/2] ASoC: SOF: Remove strsplit_u32() and tokenize

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Date:   Sun, 4 Sep 2022 12:09:05 +0200
From:   Cezary Rojewski <cezary.rojewski@...el.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
CC:     <alsa-devel@...a-project.org>, <broonie@...nel.org>,
        <tiwai@...e.com>, <perex@...ex.cz>,
        <amadeuszx.slawinski@...ux.intel.com>,
        <pierre-louis.bossart@...ux.intel.com>, <hdegoede@...hat.com>,
        <lgirdwood@...il.com>, <kai.vehmanen@...ux.intel.com>,
        <peter.ujfalusi@...ux.intel.com>,
        <ranjani.sridharan@...ux.intel.com>,
        <yung-chuan.liao@...ux.intel.com>, <willy@...radead.org>,
        <linux-kernel@...r.kernel.org>, <andy@...nel.org>,
        <intel-poland@...ists.intel.com>
Subject: Re: [PATCH v5 2/2] ASoC: SOF: Remove strsplit_u32() and
 tokenize_input()

On 2022-09-02 4:25 PM, Andy Shevchenko wrote:
> On Fri, Sep 02, 2022 at 03:32:56PM +0200, Cezary Rojewski wrote:
>> Make use of global integer-array parsing helper instead of the internal
>> one as both serve same purpose. With that, both strsplit_u32() and
>> tokenize_input() become unused so remove them.
> 
> More minor comments...
...

>> +	ret = parse_int_array_user(from, count, (int **)&array);
>>   	if (ret < 0)
>>   		return ret;
> 
>> +	num_elems = *array;
>> +	bytes = sizeof(*array) * num_elems;
>> +	if (!num_elems || (bytes % sizeof(*desc))) {
> 
> !num_elems is a dup since previous already does this check.


>> +	ret = parse_int_array_user(from, count, (int **)&array);
>>   	if (ret < 0)
>>   		return ret;
>> +
>> +	num_elems = *array;
> 
>> +	if (!num_elems) {
>>   		ret = -EINVAL;
>>   		goto exit;
>>   	}
> 
> Ditto.

Ack for both.