linux-kernel - Re: [PATCH] scsi: bfa: Replace kzalloc + copy_from_user with memdup

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Message-ID: <yq1ikh7qo5u.fsf@ca-mkp.ca.oracle.com>
Date: Wed, 24 Sep 2025 22:10:21 -0400
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Thorsten Blum <thorsten.blum@...ux.dev>
Cc: Anil Gurumurthy <anil.gurumurthy@...gic.com>,
        Sudarsana Kalluru
 <sudarsana.kalluru@...gic.com>,
        "James E.J. Bottomley"
 <James.Bottomley@...senPartnership.com>,
        "Martin K. Petersen"
 <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: bfa: Replace kzalloc + copy_from_user with
 memdup_user


Thorsten,

> No functional changes intended other than returning the more idiomatic
> error code -EFAULT.

How can we be sure that this doesn't break existing applications?

-- 
Martin K. Petersen