Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753847Ab3HVMwA (ORCPT ); Thu, 22 Aug 2013 08:52:00 -0400 Received: from na3sys009aog124.obsmtp.com ([74.125.149.151]:57739 "EHLO na3sys009aog124.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753803Ab3HVMv6 (ORCPT ); Thu, 22 Aug 2013 08:51:58 -0400 From: Jisheng Zhang To: , , , , , , , , CC: , , 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3236 Lines: 96 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; -- 1.8.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/