From patchwork Tue Jun 3 07:42:58 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: R Sricharan X-Patchwork-Id: 4285711 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 AA1CCBEEA7 for ; Tue, 3 Jun 2014 07:48:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 80B7220254 for ; Tue, 3 Jun 2014 07:48:09 +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 9A0ED2021B for ; Tue, 3 Jun 2014 07:48:08 +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 1WrjPw-0005Rx-T4; Tue, 03 Jun 2014 07:45:56 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WrjPi-0005FI-N9 for linux-arm-kernel@lists.infradead.org; Tue, 03 Jun 2014 07:45:43 +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 s537jC3r001670; Tue, 3 Jun 2014 02:45:12 -0500 Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id s537jCsI025832; Tue, 3 Jun 2014 02:45:12 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.174.1; Tue, 3 Jun 2014 02:45:11 -0500 Received: from uda0393807.india.ti.com. (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s537icWF006828; Tue, 3 Jun 2014 02:45:08 -0500 From: Sricharan R To: , , Subject: [PATCH 06/14] irqchip: crossbar: fix memory leak incase of invalid entry Date: Tue, 3 Jun 2014 13:12:58 +0530 Message-ID: <1401781386-4982-7-git-send-email-r.sricharan@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1401781386-4982-1-git-send-email-r.sricharan@ti.com> References: <1401781386-4982-1-git-send-email-r.sricharan@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140603_004542_844047_1760AC54 X-CRM114-Status: UNSURE ( 8.06 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.7 (-----) Cc: nm@ti.com, linux@arm.linux.org.uk, tony@atomide.com, rnayak@ti.com, r.sricharan@ti.com, santosh.shilimkar@ti.com, tglx@linutronix.de 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=-2.5 required=5.0 tests=BAYES_00,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: Nishanth Menon When the provided unused skip list entry is greater than max irqs possible, we go to err3, but we fail to free register_offsets, should have returned to err4 instead which ensures that allocated register_offsets are freed as well. Signed-off-by: Nishanth Menon --- drivers/irqchip/irq-crossbar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c index 42a2e62..fea3e5d 100644 --- a/drivers/irqchip/irq-crossbar.c +++ b/drivers/irqchip/irq-crossbar.c @@ -225,7 +225,7 @@ static int __init crossbar_of_init(struct device_node *node, if (entry > max) { pr_err("Invalid skip entry\n"); - goto err3; + goto err4; } cb->irq_map[entry] = IRQ_SKIP; }