From patchwork Tue May 7 13:37:46 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Henriques X-Patchwork-Id: 242246 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id D0E6B2C0159 for ; Tue, 7 May 2013 23:43:08 +1000 (EST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1UZiAZ-00042E-7W; Tue, 07 May 2013 13:43:03 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1UZi8I-0002PD-88 for kernel-team@lists.ubuntu.com; Tue, 07 May 2013 13:40:42 +0000 Received: from bl16-161-151.dsl.telepac.pt ([188.81.161.151] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1UZi8H-0000LA-3z; Tue, 07 May 2013 13:40:41 +0000 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 020/118] regulator: fixed regulator_bulk_enable unwinding code Date: Tue, 7 May 2013 14:37:46 +0100 Message-Id: <1367933964-1564-21-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1367933964-1564-1-git-send-email-luis.henriques@canonical.com> References: <1367933964-1564-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.5 Cc: Andrzej Hajda , Kyungmin Park , Mark Brown , Jonghwan Choi X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com 3.5.7.12 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Andrzej Hajda commit fbe31057fafebdc2811a7101b8b4a0460f5417d1 upstream. Unwinding code disables all successfully enabled regulators. Error is logged for every failed regulator. Signed-off-by: Andrzej Hajda Signed-off-by: Kyungmin Park Signed-off-by: Mark Brown Signed-off-by: Jonghwan Choi Signed-off-by: Luis Henriques --- drivers/regulator/core.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 8b4b382..4a4d12e 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2769,9 +2769,13 @@ int regulator_bulk_enable(int num_consumers, return 0; err: - pr_err("Failed to enable %s: %d\n", consumers[i].supply, ret); - while (--i >= 0) - regulator_disable(consumers[i].consumer); + for (i = 0; i < num_consumers; i++) { + if (consumers[i].ret < 0) + pr_err("Failed to enable %s: %d\n", consumers[i].supply, + consumers[i].ret); + else + regulator_disable(consumers[i].consumer); + } return ret; }