linux-kernel - Re: [PATCH][next] scsi: pm80xx: fix logic to break out of loop when register value is 2 or 3

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Date:   Tue, 26 Nov 2019 21:30:35 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Jack Wang <jinpu.wang@...ud.ionos.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Deepak Ukey <Deepak.Ukey@...rochip.com>,
        Viswas G <Viswas.G@...rochip.com>, linux-scsi@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] scsi: pm80xx: fix logic to break out of loop when register value is 2 or 3


Colin,

> The condition (reg_val != 2) || (reg_val != 3) will always be true
> because reg_val cannot be equal to two different values at the same
> time. Fix this by replacing the || operator with && so that the loop
> will loop if reg_val is not a 2 and not a 3 as was originally
> intended.

Applied to 5.5/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering