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Message-ID: <1520635688.2907.17.camel@wdc.com>
Date: Fri, 9 Mar 2018 22:48:10 +0000
From: Bart Van Assche <Bart.VanAssche@....com>
To: "jejb@...ux.vnet.ibm.com" <jejb@...ux.vnet.ibm.com>, "steve@....org"
<steve@....org>, "hare@...e.com" <hare@...e.com>,
"martin.petersen@...cle.com" <martin.petersen@...cle.com>, "axboe@...nel.dk"
<axboe@...nel.dk>
CC: "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH] device_handler: remove VLAs
On Fri, 2018-03-09 at 23:32 +0100, Stephen Kitt wrote:
> In preparation to enabling -Wvla, remove VLAs and replace them with
> fixed-length arrays instead.
>
> scsi_dh_{alua,emc,rdac} use variable-length array declarations to
> store command blocks, with the appropriate size as determined by
> COMMAND_SIZE. This patch replaces these with fixed-sized arrays using
> MAX_COMMAND_SIZE, so that the array size can be determined at compile
> time.
If COMMAND_SIZE() is evaluated at compile time, do we still need this patch?
Thanks,
Bart.
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