linux-kernel - Re: [PATCH] scsi: hisi_sas: Add a missing call to kfree

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Message-ID: <aed62bfb-f26a-78de-8d8e-2b186b07d21f@huawei.com>
Date:   Mon, 21 Nov 2016 14:16:55 +0000
From:   John Garry <john.garry@...wei.com>
To:     Quentin Lambert <lambert.quentin@...il.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH] scsi: hisi_sas: Add a missing call to kfree

On 21/11/2016 13:20, Quentin Lambert wrote:
>
>
> On 11/21/2016 01:53 PM, John Garry wrote:
>> However I have noticed that we should do a call to hisi_sas_free() for
>> this failure, and later failures in the probe.
> I don't understand why, and would welcome the opportunity to learn
> something.
>

We call hisi_sas_alloc() from hisi_sas_shost_alloc(); if we fail after 
this in hisi_sas_probe(), then we should free the memmories and 
workqueue got in hisi_sas_alloc(), which we don't.

Thanks,
John

> Quentin
>
>
>