From patchwork Fri Apr 3 01:37:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Yan X-Patchwork-Id: 11471737 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C2F6481 for ; Fri, 3 Apr 2020 01:39:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A2A6B207FF for ; Fri, 3 Apr 2020 01:39:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390213AbgDCBjI (ORCPT ); Thu, 2 Apr 2020 21:39:08 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:12674 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2390161AbgDCBjH (ORCPT ); Thu, 2 Apr 2020 21:39:07 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id C7A9EFA304A5E28AE1CB; Fri, 3 Apr 2020 09:39:04 +0800 (CST) Received: from huawei.com (10.175.124.28) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.487.0; Fri, 3 Apr 2020 09:38:55 +0800 From: Jason Yan To: , , , CC: Jason Yan Subject: [PATCH] btrfs: remove set bu not used variable 'ret' and 'features' Date: Fri, 3 Apr 2020 09:37:31 +0800 Message-ID: <20200403013731.23229-1-yanaijie@huawei.com> X-Mailer: git-send-email 2.17.2 MIME-Version: 1.0 X-Originating-IP: [10.175.124.28] X-CFilter-Loop: Reflected Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Fix the following gcc warning: fs/btrfs/sysfs.c:1469:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] int ret; ^~~ fs/btrfs/sysfs.c:1468:6: warning: variable 'features' set but not used [-Wunused-but-set-variable] u64 features; ^~~~~~~~ Reported-by: Hulk Robot Signed-off-by: Jason Yan --- fs/btrfs/sysfs.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index a39bff64ff24..eb1e0afa89d3 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -1465,13 +1465,10 @@ void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info, { struct btrfs_fs_devices *fs_devs; struct kobject *fsid_kobj; - u64 features; - int ret; if (!fs_info) return; - features = get_features(fs_info, set); ASSERT(bit & supported_feature_masks[set]); fs_devs = fs_info->fs_devices; @@ -1485,7 +1482,7 @@ void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info, * to use sysfs_update_group but some refactoring is needed first. */ sysfs_remove_group(fsid_kobj, &btrfs_feature_attr_group); - ret = sysfs_create_group(fsid_kobj, &btrfs_feature_attr_group); + sysfs_create_group(fsid_kobj, &btrfs_feature_attr_group); } int __init btrfs_init_sysfs(void)