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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Thorsten Blum <thorsten.blum@linux.dev>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
	Anil Gurumurthy <anil.gurumurthy@qlogic.com>,
	Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] scsi: bfa: Replace kzalloc + copy_from_user with memdup_user
Date: Mon, 29 Sep 2025 16:49:02 -0400	[thread overview]
Message-ID: <yq1jz1hnggp.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <F0B8FDF9-027D-4CCD-A5CA-91E7B2FF4950@linux.dev> (Thorsten Blum's message of "Thu, 25 Sep 2025 20:13:09 +0200")


Hi 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?
>
> I guess we can't because the error code is returned to userspace as
> the result of a bsg_job? That wasn't immediately obvious to me.

Correct. And with little chance of having the associated management
utilities updated, it's best to leave things as they are.

-- 
Martin K. Petersen

      reply	other threads:[~2025-09-29 20:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-18 14:40 Thorsten Blum
2025-09-25  2:10 ` Martin K. Petersen
2025-09-25 18:13   ` Thorsten Blum
2025-09-29 20:49     ` Martin K. Petersen [this message]

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