linux-kernel - Re: [PATCH] iommu/riscv: check pte null pointer before use

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Message-ID: <1f419739-4233-474d-b00a-4e1237352691@web.de>
Date: Tue, 5 Aug 2025 13:17:26 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Huang XianLiang <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: [PATCH] iommu/riscv: check pte null pointer before use

…
> This commit just check the pointer before using it to avoid the bug.
…

See also:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.16#n94
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.16#n145

Regards,
Markus