From patchwork Thu Aug 22 12:46:48 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 2848241 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 ECB91BF546 for ; Thu, 22 Aug 2013 12:52:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 48657205B9 for ; Thu, 22 Aug 2013 12:52:52 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EF744205BC for ; Thu, 22 Aug 2013 12:52:49 +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 1VCUNB-0003eS-I3; Thu, 22 Aug 2013 12:52:21 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VCUN1-0007Nf-43; Thu, 22 Aug 2013 12:52:11 +0000 Received: from na3sys009aog124.obsmtp.com ([74.125.149.151]) by merlin.infradead.org with smtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VCUMo-0007Gb-F2 for linux-arm-kernel@lists.infradead.org; Thu, 22 Aug 2013 12:52:00 +0000 Received: from sc-owa02.marvell.com ([199.233.58.137]) (using TLSv1) by na3sys009aob124.postini.com ([74.125.148.12]) with SMTP ID DSNKUhYJFmCPYd3IGN/KQ7jnOGVeWeomluey@postini.com; Thu, 22 Aug 2013 05:51:58 PDT Received: from maili.marvell.com (10.93.76.43) by sc-owa02.marvell.com (10.93.76.22) with Microsoft SMTP Server id 8.3.213.0; Thu, 22 Aug 2013 05:48:26 -0700 Received: from xhacker.marvell.com (unknown [10.37.135.179]) by maili.marvell.com (Postfix) with ESMTP id 14F0A1CCD9C; Thu, 22 Aug 2013 05:48:22 -0700 (PDT) From: Jisheng Zhang To: , , , , , , , , Subject: [PATCH 1/4] arm: mvebu: add missing of_node_put() to fix reference leak Date: Thu, 22 Aug 2013 20:46:48 +0800 Message-ID: <1377175611-4241-2-git-send-email-jszhang@marvell.com> X-Mailer: git-send-email 1.8.4.rc3 In-Reply-To: <1377175611-4241-1-git-send-email-jszhang@marvell.com> References: <1377175611-4241-1-git-send-email-jszhang@marvell.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130822_085158_745629_F9557AFB X-CRM114-Status: GOOD ( 11.38 ) X-Spam-Score: -4.2 (----) Cc: linux@arm.linux.org.uk, linux-kernel@vger.kernel.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=-7.0 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 Add of_node_put to properly decrement the refcount when we are done using a given node. Signed-off-by: Jisheng Zhang --- arch/arm/mach-mvebu/armada-370-xp.c | 1 + arch/arm/mach-mvebu/coherency.c | 8 +++++++- arch/arm/mach-mvebu/platsmp.c | 1 + arch/arm/mach-mvebu/pmsu.c | 1 + arch/arm/mach-mvebu/system-controller.c | 1 + 5 files changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c index 97cbb80..8a1ae83 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.c +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -64,6 +64,7 @@ static void __init armada_370_xp_mbus_init(void) ARMADA_370_XP_MBUS_WINS_SIZE, of_translate_address(dn, &sdram_wins_offs), ARMADA_370_XP_SDRAM_WINS_SIZE); + of_node_put(dn); } static void __init armada_370_xp_timer_and_clk_init(void) diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c index 4c24303..58adf2f 100644 --- a/arch/arm/mach-mvebu/coherency.c +++ b/arch/arm/mach-mvebu/coherency.c @@ -140,6 +140,7 @@ int __init coherency_init(void) coherency_base = of_iomap(np, 0); coherency_cpu_base = of_iomap(np, 1); set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0); + of_node_put(np); } return 0; @@ -147,9 +148,14 @@ int __init coherency_init(void) static int __init coherency_late_init(void) { - if (of_find_matching_node(NULL, of_coherency_table)) + struct device_node *np; + + np = of_find_matching_node(NULL, of_coherency_table); + if (np) { bus_register_notifier(&platform_bus_type, &mvebu_hwcc_platform_nb); + of_node_put(np); + } return 0; } diff --git a/arch/arm/mach-mvebu/platsmp.c b/arch/arm/mach-mvebu/platsmp.c index ce81d30..e7edb82 100644 --- a/arch/arm/mach-mvebu/platsmp.c +++ b/arch/arm/mach-mvebu/platsmp.c @@ -95,6 +95,7 @@ static void __init armada_xp_smp_init_cpus(void) panic("No 'cpus' node found\n"); ncores = of_get_child_count(np); + of_node_put(np); if (ncores == 0 || ncores > ARMADA_XP_MAX_CPUS) panic("Invalid number of CPUs in DT\n"); diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index 3cc4bef..27fc4f0 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c @@ -67,6 +67,7 @@ int __init armada_370_xp_pmsu_init(void) pr_info("Initializing Power Management Service Unit\n"); pmsu_mp_base = of_iomap(np, 0); pmsu_reset_base = of_iomap(np, 1); + of_node_put(np); } return 0; diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c index f875124..5175083c 100644 --- a/arch/arm/mach-mvebu/system-controller.c +++ b/arch/arm/mach-mvebu/system-controller.c @@ -98,6 +98,7 @@ static int __init mvebu_system_controller_init(void) BUG_ON(!match); system_controller_base = of_iomap(np, 0); mvebu_sc = (struct mvebu_system_controller *)match->data; + of_node_put(np); } return 0;