linux-hardening - [PATCH v2 0/3] firmware: exynos-acpm: Use __counted

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Message-Id: <20260219-firmare-acpm-counted-v2-0-e1f7389237d3@oss.qualcomm.com>
Date: Thu, 19 Feb 2026 12:27:09 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Tudor Ambarus <tudor.ambarus@...aro.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>, Kees Cook <kees@...nel.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
        Bill Wendling <morbo@...gle.com>,
        Justin Stitt <justinstitt@...gle.com>
Cc: linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-hardening@...r.kernel.org,
        llvm@...ts.linux.dev,
        Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH v2 0/3] firmware: exynos-acpm: Use __counted_by()

Changes in v2:
- Add tags
- Patch 2/3: typo, single ioread32 lines, merge the two if() for
  txcnt/rxcnt checks
- Link to v1: https://patch.msgid.link/20260214-firmare-acpm-counted-v1-0-32af5735470e@oss.qualcomm.com

Improve safety of the code by using __counted_by/__counted_by_ptr.

Best regards,
Krzysztof

---
Krzysztof Kozlowski (3):
      firmware: exynos-acpm: Use unsigned int for acpm_pmic_linux_errmap index
      firmware: exynos-acpm: Count number of commands in acpm_xfer
      firmware: exynos-acpm: Count acpm_xfer buffers with __counted_by_ptr

 drivers/firmware/samsung/exynos-acpm-dvfs.c |  9 +++++----
 drivers/firmware/samsung/exynos-acpm-pmic.c | 16 ++++++++--------
 drivers/firmware/samsung/exynos-acpm.c      | 14 +++++++-------
 drivers/firmware/samsung/exynos-acpm.h      |  8 ++++----
 4 files changed, 24 insertions(+), 23 deletions(-)
---
base-commit: 635c467cc14ebdffab3f77610217c1dacaf88e8c
change-id: 20260214-firmare-acpm-counted-255f287c3dce

Best regards,
-- 
Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>