From patchwork Sat Jan 16 07:27:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dinghao Liu X-Patchwork-Id: 12024669 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1124C433E0 for ; Sat, 16 Jan 2021 07:29:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7319E23B05 for ; Sat, 16 Jan 2021 07:29:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726430AbhAPH3R (ORCPT ); Sat, 16 Jan 2021 02:29:17 -0500 Received: from mail.zju.edu.cn ([61.164.42.155]:59182 "EHLO zju.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725767AbhAPH3R (ORCPT ); Sat, 16 Jan 2021 02:29:17 -0500 Received: from localhost.localdomain (unknown [10.192.85.18]) by mail-app4 (Coremail) with SMTP id cS_KCgCH2R2DlQJgTgh+AA--.64042S4; Sat, 16 Jan 2021 15:28:06 +0800 (CST) From: Dinghao Liu To: dinghao.liu@zju.edu.cn, kjlu@umn.edu Cc: Jens Axboe , Hannes Reinecke , Jan Kara , Johannes Thumshirn , Ming Lei , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] block: Fix an error handling in add_partition Date: Sat, 16 Jan 2021 15:27:56 +0800 Message-Id: <20210116072802.21940-1-dinghao.liu@zju.edu.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: cS_KCgCH2R2DlQJgTgh+AA--.64042S4 X-Coremail-Antispam: 1UD129KBjvdXoW7JFy7AFyfGr13Zr17Jr1DKFg_yoW3Xrb_G3 Wv9r1jvr18AryS9r1Y9F4ftr1rKw1rXF4jkF4xtFsrXay2qayDur9FgryIkr9xXayUury3 XF45Xw45AF4xGjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb2AFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AK wVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20x vE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjcxK6I8E 87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c 8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_ Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwACjI8F5VA0II8E6IAqYI8I648v4I1l42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxF aVAv8VW8uw4UJr1UMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr 4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxG rwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8Jw CI42IY6xAIw20EY4v20xvaj40_WFyUJVCq3wCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY 6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0JUdHUDUUUUU= X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgYGBlZdtSADjQANsZ Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Once we have called device_initialize(), we should use put_device() to give up the reference on error, just like what we have done on failure of device_add(). Signed-off-by: Dinghao Liu --- block/partitions/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/partitions/core.c b/block/partitions/core.c index e7d776db803b..23460cee9de5 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -384,7 +384,7 @@ static struct block_device *add_partition(struct gendisk *disk, int partno, err = blk_alloc_devt(bdev, &devt); if (err) - goto out_bdput; + goto out_put; pdev->devt = devt; /* delay uevent until 'holders' subdir is created */