From patchwork Sun Dec 29 22:47:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 3417241 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 35D8DC02DC for ; Sun, 29 Dec 2013 22:13:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 49F68200E5 for ; Sun, 29 Dec 2013 22:13:44 +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 2CB1F200E3 for ; Sun, 29 Dec 2013 22:13:43 +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 1VxOc1-00083q-SV; Sun, 29 Dec 2013 22:13:34 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VxObz-0005Tl-DV; Sun, 29 Dec 2013 22:13:31 +0000 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VxObw-0005So-1y for linux-arm-kernel@lists.infradead.org; Sun, 29 Dec 2013 22:13:28 +0000 X-IronPort-AV: E=Sophos;i="4.95,570,1384297200"; d="scan'208";a="50832555" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 29 Dec 2013 22:51:35 +0100 From: Julia Lawall To: Zhang Rui Subject: [PATCH 23/25] thermal: exynos: fix error return code Date: Sun, 29 Dec 2013 23:47:38 +0100 Message-Id: <1388357260-4843-24-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.7.8.6 In-Reply-To: <1388357260-4843-1-git-send-email-Julia.Lawall@lip6.fr> References: <1388357260-4843-1-git-send-email-Julia.Lawall@lip6.fr> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131229_171328_320700_6149C31C X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -6.1 (------) Cc: linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Eduardo Valentin , Kukjin Kim , 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: , 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=-4.6 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 From: Julia Lawall Set the return variable to an error code as done elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Julia Lawall Reviewed-by: Jingoo Han --- Not tested. drivers/thermal/samsung/exynos_tmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 32f38b9..0d96a51 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -205,6 +205,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev) skip_calib_data: if (pdata->max_trigger_level > MAX_THRESHOLD_LEVS) { dev_err(&pdev->dev, "Invalid max trigger level\n"); + ret = -EINVAL; goto out; }