Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932775AbbFIDwi (ORCPT ); Mon, 8 Jun 2015 23:52:38 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:3990 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932336AbbFIDvo (ORCPT ); Mon, 8 Jun 2015 23:51:44 -0400 From: Calvin Owens To: Nagalakshmi Nandigama , Praveen Krishnamoorthy , Sreekanth Reddy , Abhijit Mahajan CC: , , , , Subject: [PATCH 5/6] Refactor code to use new fw_event refcount Date: Mon, 8 Jun 2015 20:50:55 -0700 Message-ID: <1433821856-2815280-6-git-send-email-calvinowens@fb.com> X-Mailer: git-send-email 1.8.1 In-Reply-To: <1433821856-2815280-1-git-send-email-calvinowens@fb.com> References: <1431661322-3097935-1-git-send-email-calvinowens@fb.com> <1433821856-2815280-1-git-send-email-calvinowens@fb.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [192.168.52.123] X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151,1.0.33,0.0.0000 definitions=2015-06-09_04:2015-06-08,2015-06-09,1970-01-01 signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3438 Lines: 108 This refactors the fw_event code to use the new refcount. Signed-off-by: Calvin Owens --- drivers/scsi/mpt2sas/mpt2sas_scsih.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 611b34d..8d8c814 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -2863,6 +2863,7 @@ _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) return; spin_lock_irqsave(&ioc->fw_event_lock, flags); + fw_event_work_get(fw_event); list_add_tail(&fw_event->list, &ioc->fw_event_list); INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work); queue_delayed_work(ioc->firmware_event_thread, @@ -2887,12 +2888,13 @@ _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work unsigned long flags; spin_lock_irqsave(&ioc->fw_event_lock, flags); - list_del(&fw_event->list); - kfree(fw_event); + if (!list_empty(&fw_event->list)) + list_del_init(&fw_event->list); + + fw_event_work_put(fw_event); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } - /** * _scsih_error_recovery_delete_devices - remove devices not responding * @ioc: per adapter object @@ -2907,13 +2909,14 @@ _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc) if (ioc->is_driver_loading) return; - fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + fw_event = alloc_fw_event_work(0); if (!fw_event) return; fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES; fw_event->ioc = ioc; _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); } /** @@ -2927,12 +2930,13 @@ mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc) { struct fw_event_work *fw_event; - fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + fw_event = alloc_fw_event_work(0); if (!fw_event) return; fw_event->event = MPT2SAS_PORT_ENABLE_COMPLETE; fw_event->ioc = ioc; _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); } /** @@ -4439,13 +4443,14 @@ _scsih_send_event_to_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) { struct fw_event_work *fw_event; - fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + fw_event = alloc_fw_event_work(0); if (!fw_event) return; fw_event->event = MPT2SAS_TURN_ON_PFA_LED; fw_event->device_handle = handle; fw_event->ioc = ioc; _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); } /** @@ -7740,7 +7745,7 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, } sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; - fw_event = kzalloc(sizeof(*fw_event) + sz, GFP_ATOMIC); + fw_event = alloc_fw_event_work(sz); if (!fw_event) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); @@ -7753,6 +7758,7 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, fw_event->VP_ID = mpi_reply->VP_ID; fw_event->event = event; _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); return; } -- 1.8.1 -- 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/