From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3ywC286ZBvzDqnt for ; Mon, 11 Dec 2017 16:58:56 +1100 (AEDT) Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vBB5v2eG058475 for ; Mon, 11 Dec 2017 00:58:54 -0500 Received: from e06smtp11.uk.ibm.com (e06smtp11.uk.ibm.com [195.75.94.107]) by mx0a-001b2d01.pphosted.com with ESMTP id 2eskgca6ec-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 11 Dec 2017 00:58:51 -0500 Received: from localhost by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 11 Dec 2017 05:58:47 -0000 From: Anju T Sudhakar To: mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, maddy@linux.vnet.ibm.com, anju@linux.vnet.ibm.com Subject: [PATCH 2/3] powerpc/perf: IMC code cleanup with some code refactoring Date: Mon, 11 Dec 2017 11:28:36 +0530 In-Reply-To: <1512971917-23851-1-git-send-email-anju@linux.vnet.ibm.com> References: <1512971917-23851-1-git-send-email-anju@linux.vnet.ibm.com> Message-Id: <1512971917-23851-3-git-send-email-anju@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Factor out memory freeing part for attribute elements from imc_common_cpuhp_mem_free(). Signed-off-by: Anju T Sudhakar --- arch/powerpc/perf/imc-pmu.c | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index ef7f9dd..71f425f 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -1157,6 +1157,15 @@ static void cleanup_all_thread_imc_memory(void) } } +/* Function to free the attr_groups which are dynamically allocated */ +static void imc_common_mem_free(struct imc_pmu *pmu_ptr) +{ + if (pmu_ptr->attr_groups[IMC_EVENT_ATTR]) + kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]->attrs); + kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]); + kfree(pmu_ptr); +} + /* * Common function to unregister cpu hotplug callback and * free the memory. @@ -1189,13 +1198,6 @@ static void imc_common_cpuhp_mem_free(struct imc_pmu *pmu_ptr) cpuhp_remove_state(CPUHP_AP_PERF_POWERPC_THREAD_IMC_ONLINE); cleanup_all_thread_imc_memory(); } - - /* Only free the attr_groups which are dynamically allocated */ - if (pmu_ptr->attr_groups[IMC_EVENT_ATTR]) - kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]->attrs); - kfree(pmu_ptr->attr_groups[IMC_EVENT_ATTR]); - kfree(pmu_ptr); - return; } @@ -1244,8 +1246,10 @@ static int imc_mem_init(struct imc_pmu *pmu_ptr, struct device_node *parent, core_imc_refc = kcalloc(nr_cores, sizeof(struct imc_pmu_ref), GFP_KERNEL); - if (!core_imc_refc) + if (!core_imc_refc) { + kfree(pmu_ptr->mem_info); return -ENOMEM; + } core_imc_pmu = pmu_ptr; break; @@ -1258,8 +1262,10 @@ static int imc_mem_init(struct imc_pmu *pmu_ptr, struct device_node *parent, thread_imc_mem_size = pmu_ptr->counter_mem_size; for_each_online_cpu(cpu) { res = thread_imc_mem_alloc(cpu, pmu_ptr->counter_mem_size); - if (res) + if (res) { + cleanup_all_thread_imc_memory(); return res; + } } break; @@ -1285,8 +1291,10 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id int ret; ret = imc_mem_init(pmu_ptr, parent, pmu_idx); - if (ret) - goto err_free; + if (ret) { + imc_common_mem_free(pmu_ptr); + return ret; + } switch (pmu_ptr->domain) { case IMC_DOMAIN_NEST: @@ -1353,6 +1361,7 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id return 0; err_free: + imc_common_mem_free(pmu_ptr); imc_common_cpuhp_mem_free(pmu_ptr); return ret; } -- 2.7.4