From patchwork Tue May 26 10:07:08 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: shengyong X-Patchwork-Id: 476419 X-Patchwork-Delegate: richard@nod.at Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 0C7531402A7 for ; Tue, 26 May 2015 20:11:20 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YxBno-0007V7-Tl; Tue, 26 May 2015 10:09:40 +0000 Received: from szxga03-in.huawei.com ([119.145.14.66]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YxBni-0006wY-B6 for linux-mtd@lists.infradead.org; Tue, 26 May 2015 10:09:35 +0000 Received: from 172.24.2.119 (EHLO szxeml430-hub.china.huawei.com) ([172.24.2.119]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id BGO52029; Tue, 26 May 2015 18:08:43 +0800 (CST) Received: from linux-4hy3.site (10.107.197.200) by szxeml430-hub.china.huawei.com (10.82.67.185) with Microsoft SMTP Server id 14.3.158.1; Tue, 26 May 2015 18:07:17 +0800 From: Sheng Yong To: Subject: [RFC PATCH v2 4/6] UBI: Init vol->reserved_pebs by assignment Date: Tue, 26 May 2015 10:07:08 +0000 Message-ID: <1432634830-129590-5-git-send-email-shengyong1@huawei.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1432634830-129590-1-git-send-email-shengyong1@huawei.com> References: <1432634830-129590-1-git-send-email-shengyong1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.107.197.200] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.5564462B.0205, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 5df7b578ed2d30e11008c1ebd3fae318 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150526_030934_606213_E15931D5 X-CRM114-Status: UNSURE ( 8.04 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [119.145.14.66 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [119.145.14.66 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 RCVD_IN_MSPIKE_WL Mailspike good senders Cc: linux-mtd@lists.infradead.org X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org `vol' is a newly allocated value by kzalloc. Initialize it by assignment instead of `+='. Signed-off-by: Sheng Yong --- drivers/mtd/ubi/vmt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c index ff4d978..da2264b 100644 --- a/drivers/mtd/ubi/vmt.c +++ b/drivers/mtd/ubi/vmt.c @@ -253,8 +253,8 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) /* Calculate how many eraseblocks are requested */ vol->usable_leb_size = ubi->leb_size - ubi->leb_size % req->alignment; - vol->reserved_pebs += div_u64(req->bytes + vol->usable_leb_size - 1, - vol->usable_leb_size); + vol->reserved_pebs = div_u64(req->bytes + vol->usable_leb_size - 1, + vol->usable_leb_size); /* Reserve physical eraseblocks */ if (vol->reserved_pebs > ubi->avail_pebs) {