From patchwork Mon Apr 18 16:39:41 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: omar ramirez X-Patchwork-Id: 716021 X-Patchwork-Delegate: tony@atomide.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p3IGpDsl005963 for ; Mon, 18 Apr 2011 16:51:14 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755924Ab1DRQvM (ORCPT ); Mon, 18 Apr 2011 12:51:12 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:51300 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755848Ab1DRQvL (ORCPT ); Mon, 18 Apr 2011 12:51:11 -0400 Received: from dlep36.itg.ti.com ([157.170.170.91]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id p3IGp2qN021480 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 18 Apr 2011 11:51:02 -0500 Received: from legion.dal.design.ti.com (localhost [127.0.0.1]) by dlep36.itg.ti.com (8.13.8/8.13.8) with ESMTP id p3IGp28D009068; Mon, 18 Apr 2011 11:51:02 -0500 (CDT) Received: from localhost (bacab.am.dhcp.ti.com [128.247.77.143]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id p3IGp2f19095; Mon, 18 Apr 2011 11:51:02 -0500 (CDT) From: Omar Ramirez Luna To: Tony Lindgren Cc: Santosh Shilimkar , Russell King , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Omar Ramirez Luna Subject: [PATCH v2 2/3] OMAP3/4: l3: fix omap3_l3_probe error path Date: Mon, 18 Apr 2011 11:39:41 -0500 Message-Id: <1303144782-5591-3-git-send-email-omar.ramirez@ti.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1303144782-5591-1-git-send-email-omar.ramirez@ti.com> References: <1303144782-5591-1-git-send-email-omar.ramirez@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 18 Apr 2011 16:51:14 +0000 (UTC) l3_smx: - Add missing free_irq and remove an empty goto label. l3_noc: - If kzalloc fails driver shouldn't continue with a NULL pointer. - Add missing free_irq and remove empty goto labels. - Safe to assume that if we reached the end point of execution without errors, then return value is 0, so replacing instead another goto. Signed-off-by: Omar Ramirez Luna Acked-by: Santosh Shilimkar --- arch/arm/mach-omap2/omap_l3_noc.c | 34 ++++++++++++++++------------------ arch/arm/mach-omap2/omap_l3_smx.c | 23 ++++++++++------------- 2 files changed, 26 insertions(+), 31 deletions(-) diff --git a/arch/arm/mach-omap2/omap_l3_noc.c b/arch/arm/mach-omap2/omap_l3_noc.c index 82632c2..def3de8 100644 --- a/arch/arm/mach-omap2/omap_l3_noc.c +++ b/arch/arm/mach-omap2/omap_l3_noc.c @@ -132,49 +132,49 @@ static int __init omap4_l3_probe(struct platform_device *pdev) l3 = kzalloc(sizeof(*l3), GFP_KERNEL); if (!l3) - ret = -ENOMEM; + return -ENOMEM; platform_set_drvdata(pdev, l3); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(&pdev->dev, "couldn't find resource 0\n"); ret = -ENODEV; - goto err1; + goto err0; } l3->l3_base[0] = ioremap(res->start, resource_size(res)); if (!(l3->l3_base[0])) { dev_err(&pdev->dev, "ioremap failed\n"); ret = -ENOMEM; - goto err2; + goto err0; } res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!res) { dev_err(&pdev->dev, "couldn't find resource 1\n"); ret = -ENODEV; - goto err3; + goto err1; } l3->l3_base[1] = ioremap(res->start, resource_size(res)); if (!(l3->l3_base[1])) { dev_err(&pdev->dev, "ioremap failed\n"); ret = -ENOMEM; - goto err4; + goto err1; } res = platform_get_resource(pdev, IORESOURCE_MEM, 2); if (!res) { dev_err(&pdev->dev, "couldn't find resource 2\n"); ret = -ENODEV; - goto err5; + goto err2; } l3->l3_base[2] = ioremap(res->start, resource_size(res)); if (!(l3->l3_base[2])) { dev_err(&pdev->dev, "ioremap failed\n"); ret = -ENOMEM; - goto err6; + goto err2; } /* @@ -187,7 +187,7 @@ static int __init omap4_l3_probe(struct platform_device *pdev) if (ret) { pr_crit("L3: request_irq failed to register for 0x%x\n", OMAP44XX_IRQ_L3_DBG); - goto err7; + goto err3; } l3->debug_irq = irq; @@ -198,24 +198,22 @@ static int __init omap4_l3_probe(struct platform_device *pdev) if (ret) { pr_crit("L3: request_irq failed to register for 0x%x\n", OMAP44XX_IRQ_L3_APP); - goto err8; + goto err4; } l3->app_irq = irq; - goto err0; -err8: -err7: - iounmap(l3->l3_base[2]); -err6: -err5: - iounmap(l3->l3_base[1]); + return 0; + err4: + free_irq(l3->debug_irq, l3); err3: - iounmap(l3->l3_base[0]); + iounmap(l3->l3_base[2]); err2: + iounmap(l3->l3_base[1]); err1: - kfree(l3); + iounmap(l3->l3_base[0]); err0: + kfree(l3); return ret; } diff --git a/arch/arm/mach-omap2/omap_l3_smx.c b/arch/arm/mach-omap2/omap_l3_smx.c index 4321e79..32961b1 100644 --- a/arch/arm/mach-omap2/omap_l3_smx.c +++ b/arch/arm/mach-omap2/omap_l3_smx.c @@ -228,10 +228,8 @@ static int __init omap3_l3_probe(struct platform_device *pdev) int ret; l3 = kzalloc(sizeof(*l3), GFP_KERNEL); - if (!l3) { - ret = -ENOMEM; - goto err0; - } + if (!l3) + return -ENOMEM; platform_set_drvdata(pdev, l3); @@ -239,13 +237,13 @@ static int __init omap3_l3_probe(struct platform_device *pdev) if (!res) { dev_err(&pdev->dev, "couldn't find resource\n"); ret = -ENODEV; - goto err1; + goto err0; } l3->rt = ioremap(res->start, resource_size(res)); if (!(l3->rt)) { dev_err(&pdev->dev, "ioremap failed\n"); ret = -ENOMEM; - goto err2; + goto err0; } l3->debug_irq = platform_get_irq(pdev, 0); @@ -254,7 +252,7 @@ static int __init omap3_l3_probe(struct platform_device *pdev) "l3-debug-irq", l3); if (ret) { dev_err(&pdev->dev, "couldn't request debug irq\n"); - goto err3; + goto err1; } l3->app_irq = platform_get_irq(pdev, 1); @@ -264,18 +262,17 @@ static int __init omap3_l3_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "couldn't request app irq\n"); - goto err4; + goto err2; } - goto err0; + return 0; -err4: -err3: - iounmap(l3->rt); err2: + free_irq(l3->debug_irq, l3); err1: - kfree(l3); + iounmap(l3->rt); err0: + kfree(l3); return ret; }