[PATCH] regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing
From: Seung-Woo Kim
Date: Thu Dec 04 2014 - 05:17:27 EST
After freeing pin from regulator_ena_gpio_free, loop can access
the pin. So this patch fixes not to access pin after freeing.
Signed-off-by: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>
---
drivers/regulator/core.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index cd87c0c..479ef0b 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1713,6 +1713,8 @@ static void regulator_ena_gpio_free(struct regulator_dev *rdev)
gpiod_put(pin->gpiod);
list_del(&pin->list);
kfree(pin);
+ rdev->ena_pin = NULL;
+ return;
} else {
pin->request_count--;
}
--
1.7.4.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/