linux-kernel - [PATCH v2 7/8] gpiolib: Reuse return variable in gpiod_to

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Message-ID: <20250416095645.2027695-8-andriy.shevchenko@linux.intel.com>
Date: Wed, 16 Apr 2025 12:55:15 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 7/8] gpiolib: Reuse return variable in gpiod_to_irq()

There are two variables for the same used in the gpiod_to_irq().
Replace the second by reusing the function top-level one.
While at it, refactor the branch to have less lines of code.

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/gpio/gpiolib.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 3f3371e427fd..7a669218e42c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3994,13 +3994,12 @@ int gpiod_to_irq(const struct gpio_desc *desc)
 
 	offset = gpio_chip_hwgpio(desc);
 	if (gc->to_irq) {
-		int retirq = gc->to_irq(gc, offset);
+		ret = gc->to_irq(gc, offset);
+		if (ret)
+			return ret;
 
 		/* Zero means NO_IRQ */
-		if (!retirq)
-			return -ENXIO;
-
-		return retirq;
+		return -ENXIO;
 	}
 #ifdef CONFIG_GPIOLIB_IRQCHIP
 	if (gc->irq.chip) {
-- 
2.47.2