gpiolib: Don't free if pin ranges are not defined
A similar check was added in gpiochip_generic_request, but not in free. This has caused an imbalance count of request vs. free calls to the pinctrl driver. This patch is targeted to fix that issue. Fixes: 2ab73c6d ("gpio: Support GPIO controllers without pin-ranges") Signed-off-by: Edmond Chung <edmondchung@google.com> Signed-off-by: Andrew Chant <achant@google.com> Signed-off-by: Will McVicker <willmcvicker@google.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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