linux-kernel - [PATCH v2 0/3] gpiolib: fix bugs in retval sanitization

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Message-Id: <20250226-retval-fixes-v2-0-c8dc57182441@linaro.org>
Date: Wed, 26 Feb 2025 11:12:28 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Marek Szyprowski <m.szyprowski@...sung.com>, 
 Andy Shevchenko <andriy.shevchenko@...el.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, 
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 0/3] gpiolib: fix bugs in retval sanitization

Here's a set of fixes to issues spotted in next after queuing the series
adding return value sanitization to GPIO core.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
Changes in v2:
- add a comment to patch 1/3
- rework the retval logic even more in patch 2/3
- Link to v1: https://lore.kernel.org/r/20250225-retval-fixes-v1-0-078c4c98517a@linaro.org

---
Bartosz Golaszewski (3):
      gpiolib: don't use gpiochip_get_direction() when registering a chip
      gpiolib: use a more explicit retval logic in gpiochip_get_direction()
      gpiolib: don't double-check the gc->get callback's existence

 drivers/gpio/gpiolib.c | 38 +++++++++++++++++---------------------
 1 file changed, 17 insertions(+), 21 deletions(-)
---
base-commit: 0226d0ce98a477937ed295fb7df4cc30b46fc304
change-id: 20250225-retval-fixes-a1a09a1e3a08

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>