From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD1C9C46464 for ; Fri, 10 Aug 2018 06:09:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 718A5223DB for ; Fri, 10 Aug 2018 06:09:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 718A5223DB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727434AbeHJIh4 (ORCPT ); Fri, 10 Aug 2018 04:37:56 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:52662 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727069AbeHJIhz (ORCPT ); Fri, 10 Aug 2018 04:37:55 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 5973735AB6305; Fri, 10 Aug 2018 14:09:31 +0800 (CST) Received: from localhost (10.177.31.96) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.399.0; Fri, 10 Aug 2018 14:09:24 +0800 From: YueHaibing To: , , , CC: , , , , YueHaibing Subject: [PATCH net-next] vxge: remove set but not used variable 'req_out','status' and 'ret' Date: Fri, 10 Aug 2018 14:08:37 +0800 Message-ID: <20180810060837.14756-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.177.31.96] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/neterion/vxge/vxge-config.c:1097:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] drivers/net/ethernet/neterion/vxge/vxge-config.c:2263:6: warning: variable 'req_out' set but not used [-Wunused-but-set-variable] drivers/net/ethernet/neterion/vxge/vxge-config.c:2262:22: warning: variable 'status' set but not used [-Wunused-but-set-variable] drivers/net/ethernet/neterion/vxge/vxge-config.c:2360:22: warning: variable 'status' set but not used [-Wunused-but-set-variable] enum vxge_hw_status status = VXGE_HW_OK; Signed-off-by: YueHaibing --- drivers/net/ethernet/neterion/vxge/vxge-config.c | 27 ++++++------------------ 1 file changed, 6 insertions(+), 21 deletions(-) diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c index ae81498..398011c 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-config.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c @@ -1094,12 +1094,9 @@ static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool) { struct __vxge_hw_device *hldev; struct list_head *p, *n; - u16 ret; - if (blockpool == NULL) { - ret = 1; - goto exit; - } + if (!blockpool) + return; hldev = blockpool->hldev; @@ -1122,8 +1119,7 @@ static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool) list_del(&((struct __vxge_hw_blockpool_entry *)p)->item); kfree((void *)p); } - ret = 0; -exit: + return; } @@ -2259,14 +2255,11 @@ static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, struct __vxge_hw_blockpool *blockpool; struct __vxge_hw_blockpool_entry *entry = NULL; dma_addr_t dma_addr; - enum vxge_hw_status status = VXGE_HW_OK; - u32 req_out; blockpool = &devh->block_pool; if (block_addr == NULL) { blockpool->req_out--; - status = VXGE_HW_FAIL; goto exit; } @@ -2276,7 +2269,6 @@ static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) { vxge_os_dma_free(devh->pdev, block_addr, &acc_handle); blockpool->req_out--; - status = VXGE_HW_FAIL; goto exit; } @@ -2291,7 +2283,7 @@ static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, else list_del(&entry->item); - if (entry != NULL) { + if (entry) { entry->length = length; entry->memblock = block_addr; entry->dma_addr = dma_addr; @@ -2299,13 +2291,10 @@ static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh, entry->dma_handle = dma_h; list_add(&entry->item, &blockpool->free_block_list); blockpool->pool_size++; - status = VXGE_HW_OK; - } else - status = VXGE_HW_ERR_OUT_OF_MEMORY; + } blockpool->req_out--; - req_out = blockpool->req_out; exit: return; } @@ -2357,7 +2346,6 @@ static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, struct __vxge_hw_blockpool_entry *entry = NULL; struct __vxge_hw_blockpool *blockpool; void *memblock = NULL; - enum vxge_hw_status status = VXGE_HW_OK; blockpool = &devh->block_pool; @@ -2367,10 +2355,8 @@ static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, &dma_object->handle, &dma_object->acc_handle); - if (memblock == NULL) { - status = VXGE_HW_ERR_OUT_OF_MEMORY; + if (!memblock) goto exit; - } dma_object->addr = pci_map_single(devh->pdev, memblock, size, PCI_DMA_BIDIRECTIONAL); @@ -2379,7 +2365,6 @@ static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size, dma_object->addr))) { vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle); - status = VXGE_HW_ERR_OUT_OF_MEMORY; goto exit; } -- 2.7.0