linux-kernel - [PATCH v3 11/24] gpio: remove unneeded code from gpio_device_get

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240208095920.8035-12-brgl@bgdev.pl>
Date: Thu,  8 Feb 2024 10:59:07 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>,
	Kent Gibson <warthog618@...il.com>,
	Alex Elder <elder@...aro.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	"Paul E . McKenney" <paulmck@...nel.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Wolfram Sang <wsa@...-dreams.de>
Cc: linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH v3 11/24] gpio: remove unneeded code from gpio_device_get_desc()

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

The GPIO chip pointer is unused. Let's remove it.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
---
 drivers/gpio/gpiolib.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 5e098a7816bd..939ae167244c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -184,16 +184,6 @@ EXPORT_SYMBOL_GPL(gpiochip_get_desc);
 struct gpio_desc *
 gpio_device_get_desc(struct gpio_device *gdev, unsigned int hwnum)
 {
-	struct gpio_chip *gc;
-
-	/*
-	 * FIXME: This will be locked once we protect gdev->chip everywhere
-	 * with SRCU.
-	 */
-	gc = gdev->chip;
-	if (!gc)
-		return ERR_PTR(-ENODEV);
-
 	if (hwnum >= gdev->ngpio)
 		return ERR_PTR(-EINVAL);
 
-- 
2.40.1