From patchwork Fri Jul 14 03:01:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhu Yanjun X-Patchwork-Id: 9839835 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1A2C4602BD for ; Fri, 14 Jul 2017 02:59:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1916E2876B for ; Fri, 14 Jul 2017 02:59:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0CB1F28771; Fri, 14 Jul 2017 02:59:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7DA552876B for ; Fri, 14 Jul 2017 02:59:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752966AbdGNC7p (ORCPT ); Thu, 13 Jul 2017 22:59:45 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:32573 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752849AbdGNC7o (ORCPT ); Thu, 13 Jul 2017 22:59:44 -0400 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v6E2xcMP026291 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 14 Jul 2017 02:59:38 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v6E2xc4F031091 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 14 Jul 2017 02:59:38 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v6E2xbV8013395; Fri, 14 Jul 2017 02:59:37 GMT Received: from office-bj2017.cn.oracle.com (/10.182.69.186) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 13 Jul 2017 19:59:37 -0700 From: Zhu Yanjun To: tariqt@mellanox.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, yuval.shaia@oracle.com, leon@kernel.org Subject: [PATCHv2 1/1] mlx4_en: remove unnecessary returned value check Date: Thu, 13 Jul 2017 23:01:27 -0400 Message-Id: <1500001287-31317-1-git-send-email-yanjun.zhu@oracle.com> X-Mailer: git-send-email 2.7.4 X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The function __mlx4_zone_remove_one_entry always returns zero. So it is not necessary to check it. Cc: Joe Jin Cc: Junxiao Bi Signed-off-by: Zhu Yanjun Reviewed-by: Yuval Shaia --- Change from v1 to v2: Initialization is moved to variable declaration. drivers/net/ethernet/mellanox/mlx4/alloc.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c index 249a458..710d6c6 100644 --- a/drivers/net/ethernet/mellanox/mlx4/alloc.c +++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c @@ -283,7 +283,7 @@ int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc, } /* Should be called under a lock */ -static int __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry) +static void __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry) { struct mlx4_zone_allocator *zone_alloc = entry->allocator; @@ -315,8 +315,6 @@ static int __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry) } zone_alloc->mask = mask; } - - return 0; } void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc) @@ -457,7 +455,7 @@ struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 int mlx4_zone_remove_one(struct mlx4_zone_allocator *zones, u32 uid) { struct mlx4_zone_entry *zone; - int res; + int res = 0; spin_lock(&zones->lock); @@ -468,7 +466,7 @@ int mlx4_zone_remove_one(struct mlx4_zone_allocator *zones, u32 uid) goto out; } - res = __mlx4_zone_remove_one_entry(zone); + __mlx4_zone_remove_one_entry(zone); out: spin_unlock(&zones->lock);