linux-kernel - Re: [PATCH v3 01/11] stm class: Introduce an abstraction for System Trace Module devices

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Date:	Wed, 08 Jul 2015 15:49:03 +0300
From:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:	Chunyan Zhang <zhang.lyra@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	mathieu.poirier@...aro.org, peter.lachner@...el.com,
	norbert.schulz@...el.com, keven.boell@...el.com,
	yann.fouassier@...el.com, laurent.fert@...el.com,
	"linux-api\@vger.kernel.org" <linux-api@...r.kernel.org>
Subject: Re: [PATCH v3 01/11] stm class: Introduce an abstraction for System Trace Module devices

Chunyan Zhang <zhang.lyra@...il.com> writes:

>> +int __init stp_configfs_init(void)
>> +{
>> +       int err;
>> +
>> +       config_group_init(&stp_policy_subsys.su_group);
>> +       mutex_init(&stp_policy_subsys.su_mutex);
>> +       err = configfs_register_subsystem(&stp_policy_subsys);
>> +
>> +       return err;
>
> One small suggestion, is it better like this:
> return configfs_register_subsystem(&stp_policy_subsys);
> As such, we don't need the local variable "err" any more.

You are right, err doesn't serve any purpose here.

Thanks,
--
Alex
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