UPSTREAM: regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing

After freeing pin from regulator_ena_gpio_free, loop can access
the pin. So this patch fixes not to access pin after freeing.

BUG=b/37858885
TEST=Build and run

Change-Id: I47c87f27efb8c19b304a00706d5566cc916fa8f9
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
(cherry picked from commit 60a2362f769c)
Reviewed-on: https://chromium-review.googlesource.com/494027
Reviewed-by: Benson Leung <bleung@chromium.org>
(cherry picked from commit d1ab2ee3a47c49d53f6e17eece667ce8dd852da6)
Reviewed-on: https://chromium-review.googlesource.com/493921
(cherry picked from commit 0a514b91de4f013da953063eb057e154331a0a9d)
Reviewed-on: https://chromium-review.googlesource.com/495494
1 file changed