From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754694Ab3KGRzl (ORCPT ); Thu, 7 Nov 2013 12:55:41 -0500 Received: from top.free-electrons.com ([176.31.233.9]:53090 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753180Ab3KGRzi (ORCPT ); Thu, 7 Nov 2013 12:55:38 -0500 Message-ID: <527BD418.8000306@free-electrons.com> Date: Thu, 07 Nov 2013 18:55:36 +0100 From: Gregory CLEMENT User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Jisheng Zhang , rob.herring@calxeda.com, linux@arm.linux.org.uk, kernel@pengutronix.de, baohua@kernel.org, dinguyen@altera.com CC: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v5 1/3] arm: mvebu: add missing of_node_put() to fix reference leak References: <1383793720-4643-1-git-send-email-jszhang@marvell.com> <1383793720-4643-3-git-send-email-jszhang@marvell.com> In-Reply-To: <1383793720-4643-3-git-send-email-jszhang@marvell.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/11/2013 04:08, Jisheng Zhang wrote: > Add of_node_put to properly decrement the refcount when we are > done using a given node. > > Signed-off-by: Jisheng Zhang > Reviewed-by: Ezequiel Garcia Seems ok for me too Acked-by: Gregory CLEMENT Thanks, Gregory > --- > 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; > -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com