From patchwork Wed Mar 21 13:01:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 888800 X-Patchwork-Delegate: boris.brezillon@free-electrons.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="i7hMGTys"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 405qk53SX8z9s15 for ; Thu, 22 Mar 2018 00:03:41 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=/OK5NFTbgNdz0uNzLKxiWz1AtJCMTt+v61G0v9Se7fE=; b=i7hMGTysZbydmROJhJXGdvKUst ln/U+x+qDFEBKQFPBmClFiQGgRPu++noQAz3lpfAofNjBjL5J2HBZCBuLkscfg0sgRS7MC1el6KQz iXirLHl/TWPSEJNfg06c3gMszBW/3goa50O9YLmSMb4tOnWTm9AZX1hfhFIfS3LCCKNqJwA/jpiCE JrYkx2rzZO/NSHksGpmILpRXpRPbpM+aox0nwaNB/FHtsfjCGl93lthOkpFbBhRFfCl5y+uoh+KJ8 Ui7H8VreSjNBRK2bD/LhgjyPgXLL21PtSYGCJxHaZq95dIA7gEHKp/IqJnsUCEN7Ligjq0AARZtye ufyzWkhQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1eydOr-00025R-IW; Wed, 21 Mar 2018 13:03:29 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1eydNy-0001WC-Tz for linux-mtd@lists.infradead.org; Wed, 21 Mar 2018 13:02:40 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id 55A752087E; Wed, 21 Mar 2018 14:02:30 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.bootlin.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.0 Received: from xps13.event.rightround.com (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.bootlin.com (Postfix) with ESMTPSA id B8F2D208A8; Wed, 21 Mar 2018 14:01:58 +0100 (CET) From: Miquel Raynal To: Boris Brezillon , Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut Subject: [PATCH v2 03/16] mtd: rawnand: davinci: fix probe function error path Date: Wed, 21 Mar 2018 14:01:44 +0100 Message-Id: <20180321130157.9524-4-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180321130157.9524-1-miquel.raynal@bootlin.com> References: <20180321130157.9524-1-miquel.raynal@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180321_060235_307795_C380E56A X-CRM114-Status: GOOD ( 13.52 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Masahiro Yamada , Miquel Raynal , linux-mtd@lists.infradead.org, Kamal Dasu MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org An error after nand_scan_tail() should trigger a nand_cleanup(). The helper mtd_device_register() returns an error code that should be checked and nand_cleanup() called accordingly. Signed-off-by: Miquel Raynal --- drivers/mtd/nand/raw/davinci_nand.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c index ccc8c43abcff..ccc51dc65f35 100644 --- a/drivers/mtd/nand/raw/davinci_nand.c +++ b/drivers/mtd/nand/raw/davinci_nand.c @@ -826,7 +826,7 @@ static int nand_davinci_probe(struct platform_device *pdev) else ret = mtd_device_register(mtd, NULL, 0); if (ret < 0) - goto err; + goto cleanup_nand; val = davinci_nand_readl(info, NRCSR_OFFSET); dev_info(&pdev->dev, "controller rev. %d.%d\n", @@ -834,14 +834,16 @@ static int nand_davinci_probe(struct platform_device *pdev) return 0; +cleanup_nand: + nand_cleanup(&info->chip); err: clk_disable_unprepare(info->clk); - err_clk_enable: spin_lock_irq(&davinci_nand_lock); if (info->chip.ecc.mode == NAND_ECC_HW_SYNDROME) ecc4_busy = false; spin_unlock_irq(&davinci_nand_lock); + return ret; }