linux-kernel - Re: [PATCH] scsi: raid_attrs: fix unused variable warning

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Message-ID: <yq14lfc5c8m.fsf@oracle.com>
Date:   Thu, 30 Aug 2018 07:23:53 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Hannes Reinecke <hare@...e.de>, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: raid_attrs: fix unused variable warning


Arnd,

> I ran into a new warning on randconfig kernels:
>
> drivers/scsi/raid_class.c: In function 'raid_match':
> drivers/scsi/raid_class.c:64:24: error: unused variable 'i' [-Werror=unused-variable]
>
> This looks like a very old problem that for some reason was very
> hard to run into, but it is very easy to fix, by replacing the
> incorrect #ifdef with a simpler IS_ENABLED() check.

Applied to 4.20/scsi-queue. Thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering