linux-kernel - Re: [PATCH] crypto: ahash - Zero positive err value in ahash_update

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Message-ID: <2e5c67a4-5497-4084-9568-575321cdd6c9@ti.com>
Date: Mon, 24 Nov 2025 15:20:41 +0530
From: T Pratham <t-pratham@...com>
To: Herbert Xu <herbert@...dor.apana.org.au>
CC: "David S. Miller" <davem@...emloft.net>, <linux-crypto@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Manorit Chawdhry <m-chawdhry@...com>, "Shiva
 Tripathi" <s-tripathi1@...com>
Subject: Re: [PATCH] crypto: ahash - Zero positive err value in
 ahash_update_finish

On 21/11/25 11:24, Herbert Xu wrote:
> On Thu, Nov 13, 2025 at 07:30:13PM +0530, T Pratham wrote:
> The partial block length returned by a block-only driver should
> not be passed up to the caller since ahash itself deals with the
> partial block data.
> 
> Set err to zero in ahash_update_finish if it was positive.
> 
> Reported-by: T Pratham <t-pratham@...com>
> Fixes: 9d7a0ab1c753 ("crypto: ahash - Handle partial blocks in API")
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
> 

This fixes the issue.

Tested-by: T Pratham <t-pratham@...com>
-- 
Regards
T Pratham <t-pratham@...com>