gpiolib: Remove duplicative check in gpiod_find_and_request()

The gpiod_find_by_fwnode() already checks for NULL and returns
correct error code in case fwnode is invalid. Drop the respective
check and assignment in the gpiod_find_and_request().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 0589451e65cb20e6d7a43b385f21cb2c62051e7a..405070484fe3f97093949cc070e9419ac3fd2edf 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3926,13 +3926,10 @@ static struct gpio_desc *gpiod_find_and_request(struct device *consumer,
                                                bool platform_lookup_allowed)
 {
        unsigned long lookupflags = GPIO_LOOKUP_FLAGS_DEFAULT;
-       struct gpio_desc *desc = ERR_PTR(-ENOENT);
+       struct gpio_desc *desc;
        int ret;
 
-       if (!IS_ERR_OR_NULL(fwnode))
-               desc = gpiod_find_by_fwnode(fwnode, consumer, con_id, idx,
-                                           &flags, &lookupflags);
-
+       desc = gpiod_find_by_fwnode(fwnode, consumer, con_id, idx, &flags, &lookupflags);
        if (gpiod_not_found(desc) && platform_lookup_allowed) {
                /*
                 * Either we are not using DT or ACPI, or their lookup did not