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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2025-04-16 12:55:16 +0300
committerBartosz Golaszewski <brgl@bgdev.pl>2025-04-17 15:22:06 +0200
commit550300b9a295a591e0721a31f8c964a4bc08d51c (patch)
tree4fc08866a56219467020d38fb50552aff72d234d
parent7cc868831b98eb10e8ae50a8e5a9f04674d1a2ab (diff)
gpiolib: Remove redundant assignment of return variable
In some functions the returned variable is assigned to 0 and then reassigned to the actual value. Remove redundant assignments. In one case make it more clear that the assignment is not needed. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20250416095645.2027695-9-andriy.shevchenko@linux.intel.com Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
-rw-r--r--drivers/gpio/gpiolib.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 3243ef3fc7d8..87903847c3d7 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1015,7 +1015,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
struct gpio_device *gdev;
unsigned int desc_index;
int base = 0;
- int ret = 0;
+ int ret;
/* Only allow one set() and one set_multiple(). */
if ((gc->set && gc->set_rv) ||
@@ -1040,11 +1040,10 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
device_set_node(&gdev->dev, gpiochip_choose_fwnode(gc));
- gdev->id = ida_alloc(&gpio_ida, GFP_KERNEL);
- if (gdev->id < 0) {
- ret = gdev->id;
+ ret = ida_alloc(&gpio_ida, GFP_KERNEL);
+ if (ret < 0)
goto err_free_gdev;
- }
+ gdev->id = ret;
ret = dev_set_name(&gdev->dev, GPIOCHIP_NAME "%d", gdev->id);
if (ret)
@@ -3068,7 +3067,7 @@ set_output_flag:
*/
int gpiod_enable_hw_timestamp_ns(struct gpio_desc *desc, unsigned long flags)
{
- int ret = 0;
+ int ret;
VALIDATE_DESC(desc);
@@ -3101,7 +3100,7 @@ EXPORT_SYMBOL_GPL(gpiod_enable_hw_timestamp_ns);
*/
int gpiod_disable_hw_timestamp_ns(struct gpio_desc *desc, unsigned long flags)
{
- int ret = 0;
+ int ret;
VALIDATE_DESC(desc);