From patchwork Mon Feb 20 18:25:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Sterba X-Patchwork-Id: 9583451 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B690B604A0 for ; Mon, 20 Feb 2017 18:25:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B6898287F2 for ; Mon, 20 Feb 2017 18:25:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A9F8F28806; Mon, 20 Feb 2017 18:25:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6BE04287F2 for ; Mon, 20 Feb 2017 18:25:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752318AbdBTSZh (ORCPT ); Mon, 20 Feb 2017 13:25:37 -0500 Received: from mx2.suse.de ([195.135.220.15]:44814 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751068AbdBTSZg (ORCPT ); Mon, 20 Feb 2017 13:25:36 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 564EFAAB2 for ; Mon, 20 Feb 2017 18:25:35 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id 124AFDA8DD; Mon, 20 Feb 2017 19:25:04 +0100 (CET) From: David Sterba To: linux-btrfs@vger.kernel.org Cc: David Sterba Subject: [PATCH 2/3] btrfs: handle allocation error in update_dev_stat_item Date: Mon, 20 Feb 2017 19:25:04 +0100 Message-Id: X-Mailer: git-send-email 2.10.1 In-Reply-To: References: Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: David Sterba Reviewed-by: Liu Bo --- fs/btrfs/volumes.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 1fac98728814..64d6665f6eda 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6954,7 +6954,8 @@ static int update_dev_stat_item(struct btrfs_trans_handle *trans, key.offset = device->devid; path = btrfs_alloc_path(); - BUG_ON(!path); + if (!path) + return -ENOMEM; ret = btrfs_search_slot(trans, dev_root, &key, path, -1, 1); if (ret < 0) { btrfs_warn_in_rcu(fs_info,