linux-kernel - Re: [PATCH] scsi: advansys: Replace zero-length array with flexible-array member

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Message-ID: <20200213011406.GI7778@bombadil.infradead.org>
Date:   Wed, 12 Feb 2020 17:14:06 -0800
From:   Matthew Wilcox <willy@...radead.org>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Hannes Reinecke <hare@...e.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: advansys: Replace zero-length array with
 flexible-array member

On Wed, Feb 12, 2020 at 06:02:11PM -0600, Gustavo A. R. Silva wrote:
> Also, notice that, dynamic memory allocations won't be affected by
> this change:

Shouldn't you also convert this:
                asc_sg_head = kzalloc(sizeof(asc_scsi_q->sg_head) +
                        use_sg * sizeof(struct asc_sg_list), GFP_ATOMIC);
to use struct_size()?