From patchwork Mon Dec 29 17:04:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 5549991 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4C9D59F2ED for ; Mon, 29 Dec 2014 17:21:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6A83020149 for ; Mon, 29 Dec 2014 17:21:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (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 AA4BF2012B for ; Mon, 29 Dec 2014 17:21:23 +0000 (UTC) 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 1Y5dyS-0003jH-6H; Mon, 29 Dec 2014 17:19:20 +0000 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y5dyN-0003dm-1J for linux-arm-kernel@lists.infradead.org; Mon, 29 Dec 2014 17:19:16 +0000 X-IronPort-AV: E=Sophos;i="5.07,659,1413237600"; d="scan'208";a="94921792" Received: from palace.rsr.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 29 Dec 2014 18:10:47 +0100 From: Julia Lawall To: Santosh Shilimkar Subject: [PATCH 3/8] soc: ti: knav_qmss_queue: fix error return code Date: Mon, 29 Dec 2014 18:04:38 +0100 Message-Id: <1419872683-32709-4-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1419872683-32709-1-git-send-email-Julia.Lawall@lip6.fr> References: <1419872683-32709-1-git-send-email-Julia.Lawall@lip6.fr> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141229_091915_513136_BDDCF422 X-CRM114-Status: UNSURE ( 8.89 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.4 (----) Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 Return a negative error code on failure. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ identifier ret; expression e1,e2; @@ ( if (\(ret < 0\|ret != 0\)) { ... return ret; } | ret = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Julia Lawall --- drivers/soc/ti/knav_qmss_queue.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index 8e6a95d..d41c3bc 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1759,6 +1759,7 @@ static int knav_queue_probe(struct platform_device *pdev) regions = of_get_child_by_name(node, "descriptor-regions"); if (!regions) { dev_err(dev, "descriptor-regions not specified\n"); + ret = -ENODEV; goto err; } ret = knav_queue_setup_regions(kdev, regions);