linux-kernel - Re: [PATCH] padata: Honor the caller's alignment in case of chunk

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Message-ID: <ZtGhYmNAAyBJxega@gondor.apana.org.au>
Date: Fri, 30 Aug 2024 18:39:30 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Kamlesh Gurudasani <kamlesh@...com>
Cc: Steffen Klassert <steffen.klassert@...unet.com>,
	Daniel Jordan <daniel.m.jordan@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Waiman Long <longman@...hat.com>, linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] padata: Honor the caller's alignment in case of
 chunk_size 0

On Thu, Aug 22, 2024 at 02:32:52AM +0530, Kamlesh Gurudasani wrote:
> In the case where we are forcing the ps.chunk_size to be at least 1,
> we are ignoring the caller's alignment.
> 
> Move the forcing of ps.chunk_size to be at least 1 before rounding it
> up to caller's alignment, so that caller's alignment is honored.
> 
> While at it, use max() to force the ps.chunk_size to be at least 1 to
> improve readability.
> 
> Fixes: 6d45e1c948a8 ("padata: Fix possible divide-by-0 panic in padata_mt_helper()")
> Signed-off-by: Kamlesh Gurudasani <kamlesh@...com>
> ---
>  kernel/padata.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
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