From patchwork Tue Dec 17 13:36:05 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivan Khoronzhuk X-Patchwork-Id: 3361731 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6B8DEC0D4A for ; Tue, 17 Dec 2013 13:38:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D573D2038C for ; Tue, 17 Dec 2013 13:38:17 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 85816201ED for ; Tue, 17 Dec 2013 13:38:14 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vsuqe-0007p3-E5; Tue, 17 Dec 2013 13:38:08 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vsuqb-0005Lh-Rl; Tue, 17 Dec 2013 13:38:05 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VsuqZ-0005KL-Is; Tue, 17 Dec 2013 13:38:03 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id rBHDb77X027936; Tue, 17 Dec 2013 07:37:07 -0600 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id rBHDb65D007992; Tue, 17 Dec 2013 07:37:06 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.2.342.3; Tue, 17 Dec 2013 07:37:06 -0600 Received: from uglx0177649.ucm2.emeaucm.ext.ti.com (uglx0177649.ucm2.emeaucm.ext.ti.com [10.167.145.122]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id rBHDb2NY002191; Tue, 17 Dec 2013 07:37:02 -0600 From: Ivan Khoronzhuk To: Santosh Shilimkar , Rob Landley , Russell King Subject: [PATCH v4 2/9] mtd: nand: davinci: return ENOMEM if memory allocation is failed Date: Tue, 17 Dec 2013 15:36:05 +0200 Message-ID: <1387287365-19731-1-git-send-email-ivan.khoronzhuk@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1387285155-19182-1-git-send-email-ivan.khoronzhuk@ti.com> References: <1387285155-19182-1-git-send-email-ivan.khoronzhuk@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131217_083803_702919_C2AEA798 X-CRM114-Status: UNSURE ( 9.00 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.4 (-------) Cc: Mark Rutland , devicetree@vger.kernel.org, grygorii.strashko@ti.com, Pawel Moll , Stephen Warren , ijc+devicetree@hellion.org.uk, Kumar Gala , Rob Herring , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Ivan Khoronzhuk , computersforpeace@gmail.com, dwmw2@infradead.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In case when memory allocation is failed the driver should return ENOMEM instead of ENODEV. Reviewed-by: Grygorii Strashko Reviewed-by: Taras Kondratiuk Signed-off-by: Ivan Khoronzhuk --- drivers/mtd/nand/davinci_nand.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index 584c1f4..4577fb4 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -541,7 +541,7 @@ static struct davinci_nand_pdata GFP_KERNEL); pdev->dev.platform_data = pdata; if (!pdata) - return NULL; + return ERR_PTR(-ENOMEM); if (!of_property_read_u32(pdev->dev.of_node, "ti,davinci-chipselect", &prop)) pdev->id = prop; @@ -598,6 +598,9 @@ static int nand_davinci_probe(struct platform_device *pdev) nand_ecc_modes_t ecc_mode; pdata = nand_davinci_get_pdata(pdev); + if (IS_ERR(pdata)) + return PTR_ERR(pdata); + /* insist on board-specific configuration */ if (!pdata) return -ENODEV;