3.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Seung-Woo Kim <[email protected]> commit 60a2362f769cf549dc466134efe71c8bf9fbaaba upstream. 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 <[email protected]> Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Amit Pundir <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/regulator/core.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1720,6 +1720,8 @@ static void regulator_ena_gpio_free(stru gpiod_put(pin->gpiod); list_del(&pin->list); kfree(pin); + rdev->ena_pin = NULL; + return; } else { pin->request_count--; }
