[PATCH v2 4/8] gpiolib: Revert "Don't WARN on gpiod_put() for optional GPIO"

[Andy Shevchenko]

No need to double check the pointer for NULL since gpiod_free()
is using VALIDATE_DESC_VOID() which simply returns in that case.

This reverts commit 1d7765ba15aca68f3bc52f59434c1c34855bbb54.

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/gpio/gpiolib.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 7f8e8c33207e..4485dc8b1e42 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -5140,8 +5140,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_array_optional);
  */
 void gpiod_put(struct gpio_desc *desc)
 {
-	if (desc)
-		gpiod_free(desc);
+	gpiod_free(desc);
 }
 EXPORT_SYMBOL_GPL(gpiod_put);
 
-- 
2.47.2