From patchwork Fri Oct 28 12:11:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Xiaoxu X-Patchwork-Id: 13023515 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8020FA3747 for ; Fri, 28 Oct 2022 11:56:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230129AbiJ1L4z (ORCPT ); Fri, 28 Oct 2022 07:56:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230146AbiJ1L4v (ORCPT ); Fri, 28 Oct 2022 07:56:51 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A31361C8D48 for ; Fri, 28 Oct 2022 04:56:50 -0700 (PDT) Received: from dggpeml500023.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MzLW24xyKzVhqF; Fri, 28 Oct 2022 19:51:58 +0800 (CST) Received: from localhost.localdomain (10.175.101.6) by dggpeml500023.china.huawei.com (7.185.36.114) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 28 Oct 2022 19:56:48 +0800 From: Zhang Xiaoxu To: , , , , , , , Subject: [PATCH 6/7] cifs: Fix wrong return value checking when GETFLAGS Date: Fri, 28 Oct 2022 20:11:28 +0800 Message-ID: <20221028121129.3375402-7-zhangxiaoxu5@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221028121129.3375402-1-zhangxiaoxu5@huawei.com> References: <20221028121129.3375402-1-zhangxiaoxu5@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpeml500023.china.huawei.com (7.185.36.114) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org The return value of CIFSGetExtAttr is negative, should be checked with -EOPNOTSUPP rather than EOPNOTSUPP. Fixes: 64a5cfa6db9 ("Allow setting per-file compression via SMB2/3") Signed-off-by: Zhang Xiaoxu --- fs/cifs/ioctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index c25e8442068a..1494fb5c1c45 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -342,7 +342,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) rc = put_user(ExtAttrBits & FS_FL_USER_VISIBLE, (int __user *)arg); - if (rc != EOPNOTSUPP) + if (rc != -EOPNOTSUPP) break; } #endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */ @@ -372,7 +372,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) * pSMBFile->fid.netfid, * extAttrBits, * &ExtAttrMask); - * if (rc != EOPNOTSUPP) + * if (rc != -EOPNOTSUPP) * break; */