Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760184AbbKTMsK (ORCPT ); Fri, 20 Nov 2015 07:48:10 -0500 Received: from mail-wm0-f44.google.com ([74.125.82.44]:35528 "EHLO mail-wm0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760118AbbKTMsE (ORCPT ); Fri, 20 Nov 2015 07:48:04 -0500 From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, axboe@fb.com Cc: Wenwei Tao , =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 1/5] lightnvm: wrong return value and redundant free Date: Fri, 20 Nov 2015 13:47:53 +0100 Message-Id: <1448023677-22296-2-git-send-email-m@bjorling.me> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1448023677-22296-1-git-send-email-m@bjorling.me> References: <1448023677-22296-1-git-send-email-m@bjorling.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1308 Lines: 48 From: Wenwei Tao The return value should be non-zero under error conditions. Remove nvme_free(dev) to avoid free dev more than once. Signed-off-by: Wenwei Tao Signed-off-by: Matias Bjørling --- drivers/lightnvm/core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 8a556f3..bed47e7 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -222,14 +222,13 @@ static void nvm_free(struct nvm_dev *dev) static int nvm_init(struct nvm_dev *dev) { struct nvmm_type *mt; - int ret = 0; + int ret = -EINVAL; if (!dev->q || !dev->ops) - return -EINVAL; + return ret; if (dev->ops->identity(dev->q, &dev->identity)) { pr_err("nvm: device could not be identified\n"); - ret = -EINVAL; goto err; } @@ -275,7 +274,6 @@ static int nvm_init(struct nvm_dev *dev) dev->nr_chnls); return 0; err: - nvm_free(dev); pr_err("nvm: failed to initialize nvm\n"); return ret; } -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/