linux-kernel - Re: [PATCH v3 1/3] ptp: introduce ptp auxiliary worker

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Message-ID: <20170727200829.cqe2gb6kl4lfzyux@localhost.localdomain>
Date:   Thu, 27 Jul 2017 22:08:29 +0200
From:   Richard Cochran <richardcochran@...il.com>
To:     Grygorii Strashko <grygorii.strashko@...com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Sekhar Nori <nsekhar@...com>, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, Wingman Kwok <w-kwok2@...com>,
        Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
        John Stultz <john.stultz@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v3 1/3] ptp: introduce ptp auxiliary worker

On Wed, Jul 26, 2017 at 05:11:36PM -0500, Grygorii Strashko wrote:
> @@ -217,6 +231,19 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
>  	mutex_init(&ptp->pincfg_mux);
>  	init_waitqueue_head(&ptp->tsev_wq);
>  
> +	if (ptp->info->do_aux_work) {
> +		char *worker_name = kasprintf(GFP_KERNEL, "ptp%d", ptp->index);

This string is allocated but never freed.

> +		kthread_init_delayed_work(&ptp->aux_work, ptp_aux_kworker);
> +		ptp->kworker = kthread_create_worker(0, worker_name ?
> +						     worker_name : info->name);
> +		if (IS_ERR(ptp->kworker)) {
> +			err = PTR_ERR(ptp->kworker);
> +			pr_err("failed to create ptp aux_worker %d\n", err);
> +			goto kworker_err;
> +		}
> +	}
> +

Thanks,
Richard