From patchwork Tue Jun 29 09:53:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: lijian_8010a29@163.com X-Patchwork-Id: 12349669 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 80835C11F66 for ; Tue, 29 Jun 2021 10:40:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6630861D54 for ; Tue, 29 Jun 2021 10:40:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233180AbhF2KnW (ORCPT ); Tue, 29 Jun 2021 06:43:22 -0400 Received: from m12-12.163.com ([220.181.12.12]:53876 "EHLO m12-12.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233111AbhF2KnV (ORCPT ); Tue, 29 Jun 2021 06:43:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=sfTj/Onwm/8mctLs4j l3YD3zYZRkJI6Vg1SHgkrYB8U=; b=UG737XaK60KiQ2V3p4dPj4cBfclV4nUSkZ Nj78uIBYckQZWCMWY6DCquqYTpiNmS0F4ieXkNAobRsIoXR8D4qxsKS+QNy1yJSe uBftqqDm0teMP9IM49ginsmtp4k1bfLBoM4K34lglRvkU+4D0Wc2byNv1nyPDtPP fiNqG2ggA= Received: from localhost.localdomain (unknown [218.17.89.92]) by smtp8 (Coremail) with SMTP id DMCowAC3fVqw7dpgLLt8MQ--.18080S2; Tue, 29 Jun 2021 17:53:53 +0800 (CST) From: lijian_8010a29@163.com To: clm@fb.com, josef@toxicpanda.com, dsterba@suse.com Cc: linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, lijian Subject: [PATCH] fs: ntfs: super: added return error value while map failed Date: Tue, 29 Jun 2021 09:53:33 +0000 Message-Id: <20210629095333.115111-1-lijian_8010a29@163.com> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: DMCowAC3fVqw7dpgLLt8MQ--.18080S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7XFy3Zw4rtF1fWryxGryUJrb_yoWxCwb_Ga 1xZry8Grs8t3Wa9ryqkwnrZr4kta1rCF13K3WDtwnxZF1UJr4UX3yDXr1Dta1rWrZrZF9r WFWv93W0k3WS9jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU5lYLPUUUUU== X-Originating-IP: [218.17.89.92] X-CM-SenderInfo: 5olmxttqbyiikqdsmqqrwthudrp/xtbBLBHAUF++MX9d-AAAsj Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: lijian When lookup_extent_mapping failed, should return '-ENOENT'. Signed-off-by: lijian --- fs/btrfs/extent_map.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 4a8e02f7b6c7..e9d9f2bfc11d 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -305,8 +305,10 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len, WARN_ON(!em || em->start != start); - if (!em) + if (!em) { + ret = -ENOENT; goto out; + } em->generation = gen; clear_bit(EXTENT_FLAG_PINNED, &em->flags);