linux-kernel - [PATCH v4 0/2] of: property: Fix potential firmware node reference's argument count got out of range

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Message-Id: <20250225-fix_arg_count-v4-0-13cdc519eb31@quicinc.com>
Date: Tue, 25 Feb 2025 21:58:05 +0800
From: Zijun Hu <zijun_hu@...oud.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
 Daniel Scally <djrscally@...il.com>, 
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Danilo Krummrich <dakr@...nel.org>, Rob Herring <robh@...nel.org>, 
 Saravana Kannan <saravanak@...gle.com>
Cc: Zijun Hu <zijun_hu@...oud.com>, linux-acpi@...r.kernel.org, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Zijun Hu <quic_zijuhu@...cinc.com>
Subject: [PATCH v4 0/2] of: property: Fix potential firmware node
 reference's argument count got out of range

This patch series is to fix an OF issue below:

The firmware node reference argument count @args->nargs got by
of_fwnode_get_reference_args() may be out of range.

---
Changes in v4:
- Correct commit message for patch 1/2
- Add one more patch 2/2 to align both macros
- Link to v3: https://lore.kernel.org/r/20250210-fix_arg_count-v3-1-a084a5013008@quicinc.com

Changes in v3:
- Remove RFC, correct title and commit message.
- Link to v2: https://lore.kernel.org/r/20250114-fix_arg_count-v2-1-efa35ee6572b@quicinc.com

Changes in v2:
- Increase macro @NR_FWNODE_REFERENCE_ARGS to align with @MAX_PHANDLE_ARGS.
- Correct fix tag and send as RFC patch.
- Link to v1: https://lore.kernel.org/r/20250109-of_core_fix-v4-7-db8a72415b8c@quicinc.com

---
Zijun Hu (2):
      of: property: Increase NR_FWNODE_REFERENCE_ARGS
      of: Align macro MAX_PHANDLE_ARGS with NR_FWNODE_REFERENCE_ARGS

 include/linux/fwnode.h | 2 +-
 include/linux/of.h     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
base-commit: cd726b80a9b2e35397f3f4ecd845a8fd247ee79e
change-id: 20250114-fix_arg_count-73feae90fccb

Best regards,
-- 
Zijun Hu <quic_zijuhu@...cinc.com>