From nobody Sat Apr 20 14:07:52 2024 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 4C8FDC7619A for ; Sun, 19 Mar 2023 04:35:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229983AbjCSEfz (ORCPT ); Sun, 19 Mar 2023 00:35:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229562AbjCSEfx (ORCPT ); Sun, 19 Mar 2023 00:35:53 -0400 Received: from m12.mail.163.com (m12.mail.163.com [220.181.12.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C20AB1C32B; Sat, 18 Mar 2023 21:35:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=cG/Pz LjXs6S3d9LvCwdUbAsZr8iqDclBzL43h6uvg28=; b=SmmJJxBx/HJmOnCTkKDeG DO6GWIiJlLXQUCGH7dcRDmVt5lbh8PURHOUz/H+WqzixjsaFNROk7AV26CAvpvNT 2ph6xP2T4orbEfSvHFQhWREFl1uo8feRxzpiGo7DSfJvQMkWpko7k9d7f+prdUdX RykagRXgN9lFhV7u/1D8Dg= Received: from lizhe.. (unknown [120.245.132.192]) by zwqz-smtp-mta-g4-2 (Coremail) with SMTP id _____wAXrjIHkRZka1HqAQ--.60798S4; Sun, 19 Mar 2023 12:35:40 +0800 (CST) From: Lizhe To: yangyingliang@huawei.com, michael.chritie@oracle.com Cc: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-kernel@vger.kernel.org, Lizhe Subject: [PATCH] scsi:target:tcm_loop:Remove redundant driver match function Date: Sun, 19 Mar 2023 12:35:18 +0800 Message-Id: <20230319043518.297490-1-sensor1010@163.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wAXrjIHkRZka1HqAQ--.60798S4 X-Coremail-Antispam: 1Uf129KBjvdXoW7Jr1kAr4Dtr43CFyDXFWkJFb_yoWkCFX_Cr yxZrn7urn7u3WFyFsxu3y3ZryfKF1xWFn5KF4Fq393Kw47JryFvw4jqrnxJ3s8Zr1rJas0 93srXr1xAryftjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRNZ2-DUUUUU== X-Originating-IP: [120.245.132.192] X-CM-SenderInfo: 5vhq20jurqiii6rwjhhfrp/1tbiKAg3q17WMXCwVQAAsQ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If there is no driver match function, the driver core assumes that each candidate pair (driver, device)matches, see driver_match_device() Drop the bus's match function that always returned 1 and so implements the same behaviour as when there is no match function. Signed-off-by: Lizhe --- drivers/target/loopback/tcm_loop.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/t= cm_loop.c index 139031ccb700..92475972acae 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -83,15 +83,8 @@ static int tcm_loop_show_info(struct seq_file *m, struct= Scsi_Host *host) static int tcm_loop_driver_probe(struct device *); static void tcm_loop_driver_remove(struct device *); =20 -static int pseudo_lld_bus_match(struct device *dev, - struct device_driver *dev_driver) -{ - return 1; -} - static struct bus_type tcm_loop_lld_bus =3D { .name =3D "tcm_loop_bus", - .match =3D pseudo_lld_bus_match, .probe =3D tcm_loop_driver_probe, .remove =3D tcm_loop_driver_remove, }; --=20 2.34.1