linux-kernel - Re: [v4] iommu/riscv: prevent NULL deref in iova_to

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Message-ID: <17ba1116-35bc-4a47-ab51-0626006ee35a@web.de>
Date: Wed, 20 Aug 2025 12:40:57 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: XianLiang Huang <huangxianliang@...xincomputing.com>,
 iommu@...ts.linux.dev, linux-riscv@...ts.infradead.org
Cc: LKML <linux-kernel@...r.kernel.org>, Albert Ou <aou@...s.berkeley.edu>,
 Alexandre Ghiti <alex@...ti.fr>, Jörg Rödel
 <joro@...tes.org>, Palmer Dabbelt <palmer@...belt.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Robin Murphy
 <robin.murphy@....com>, Tomasz Jeznach <tjeznach@...osinc.com>,
 Will Deacon <will@...nel.org>
Subject: Re: [v4] iommu/riscv: prevent NULL deref in iova_to_phys

…> but put your proposal at the patch Subject...
…
Does it trigger undesirable communication difficulties?

Regards,
Markus