From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753068AbdF0LNT (ORCPT ); Tue, 27 Jun 2017 07:13:19 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:34847 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752840AbdF0LMo (ORCPT ); Tue, 27 Jun 2017 07:12:44 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Seung-Woo Kim" , "Mark Brown" Date: Tue, 27 Jun 2017 12:10:34 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 4/7] regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16.45-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Seung-Woo Kim 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 Signed-off-by: Mark Brown Signed-off-by: Ben Hutchings --- drivers/regulator/core.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1709,6 +1709,8 @@ static void regulator_ena_gpio_free(stru gpio_free(pin->gpio); list_del(&pin->list); kfree(pin); + rdev->ena_pin = NULL; + return; } else { pin->request_count--; }