From patchwork Mon Mar 13 18:29:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 69057 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp1356621wrd; Mon, 13 Mar 2023 12:08:59 -0700 (PDT) X-Google-Smtp-Source: AK7set9LZOj6pAxkmVI37Nd1Euj5sIpV0nZePR516eBnVzfr8j+CmVMePuFY2QpPa2i+N6iSltLF X-Received: by 2002:a62:53c3:0:b0:5d7:637a:abcf with SMTP id h186-20020a6253c3000000b005d7637aabcfmr29247970pfb.32.1678734539418; Mon, 13 Mar 2023 12:08:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1678734539; cv=none; d=google.com; s=arc-20160816; b=BALBVVYDd0IJMzuJgS2kwl0VA2PFq7qRqjIFDN85ENVrxec8b3Re+2oDXhz52eJAFS YRNjgi7Kkzn/3HyQ3gjGMyxsx23X6lsZSyd99NgPfKbrBKKpaNlzPhke8Zv+Q5C3LDra CGVbPoMX0mMeCxSSt/PcV/8MGsc/lEPdcSDllEpqCcuvjIdicpzw3vMzZXijCRRH9opP 1kSlGGfPhSyZTGPxuUM6UTugZCHgjjBI8cdn4pIB9YBNiuow2dCMSta4UJ6LLkDx89cG 4NepBPMaqQh1zS/phGrhe1yF1+7g//eN9efF9zZqbnguDxOe+3kMWXTQ0rWRcitDhkyM JZrQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=ErEkV2Eb9iPBaFuFM03Sag12i1Y0KFcL4FquR+/+4+o=; b=dU3ox76mlYGw+VNdchrhPAEW5GpqwJ33vNDlrFWVGHm14BpJV+uGtqXYSzDnOqPfKh dNDZzxKcLKI/qxDWLVBSceegaM3edi859OfaO4Zl50QraXbqjHXxDW6X3A9gCHPtY4pu efvUMog10AZY1uD5sSqV+og0DSEqQPOG+TZqqkNPnC7umtVSnaSc2iPQKni2JlSEnLbX iNhfFobQ2irSKkMQ9h/W/s4jvb/0boqwzUOgMncwGUEG0nMnsdSMY8jZW+xF03jHO2BN dRdVgIO4DBpAWzCbx/xf1Fan6KOSN9vPj81xfZgxzatIJuIfaiVf74m4+tmuYzjKtyBj 5sQw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="h/hI9tL/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id m3-20020a632603000000b004f0131105e9si155853pgm.855.2023.03.13.12.08.46; Mon, 13 Mar 2023 12:08:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="h/hI9tL/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231524AbjCMSdu (ORCPT + 99 others); Mon, 13 Mar 2023 14:33:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231489AbjCMSdT (ORCPT ); Mon, 13 Mar 2023 14:33:19 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0FF9E85B21; Mon, 13 Mar 2023 11:31:48 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 60BC661484; Mon, 13 Mar 2023 18:30:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6FA3AC433EF; Mon, 13 Mar 2023 18:30:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678732256; bh=sdMhGh/v0S4uLhhMgXoZcxTftjLcVbQ0JldvEDTZ1yE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h/hI9tL/g1oKZX9SamcN3M5/Phk2olRLoatPJFm31YFAUcAsHgxSUO3k5HrcUFBGR oTFlhpdu5AzaDPUsg8JPv2FLzqxqaON2iQZQPmb/f7IuSBmUXQAln9+7wnXBsgdkfo ujvYCBIj/MpDkfXQafdJ925ZIXxw9Js6vvSnB+k8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: rafael@kernel.org, Greg Kroah-Hartman , "Michael S. Tsirkin" , Jason Wang , kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [PATCH 31/36] vhost-vdpa: vhost_vdpa_alloc_domain() should be using a const struct bus_type * Date: Mon, 13 Mar 2023 19:29:13 +0100 Message-Id: <20230313182918.1312597-31-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313182918.1312597-1-gregkh@linuxfoundation.org> References: <20230313182918.1312597-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1408; i=gregkh@linuxfoundation.org; h=from:subject; bh=sdMhGh/v0S4uLhhMgXoZcxTftjLcVbQ0JldvEDTZ1yE=; b=owGbwMvMwCRo6H6F97bub03G02pJDCn82TUvbDoStjD0i/1v+vmN+6FAU3bEc8GDO0VEeJmnK n3uEcvoiGVhEGRikBVTZPmyjefo/opDil6Gtqdh5rAygQxh4OIUgIlE/mOYp+sx9Tebv8y3yUbr ta71fL9koRnIzzDfQ/VD509tq8Db9tk3zRNct9fM6dcHAA== X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760280748572806804?= X-GMAIL-MSGID: =?utf-8?q?1760280748572806804?= The function, vhost_vdpa_alloc_domain(), has a pointer to a struct bus_type, but it should be constant as the function it passes it to expects it to be const, and the vhost code does not modify it in any way. Cc: "Michael S. Tsirkin" Cc: Jason Wang Cc: kvm@vger.kernel.org Cc: virtualization@lists.linux-foundation.org Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- Note, this is a patch that is a prepatory cleanup as part of a larger series of patches that is working on resolving some old driver core design mistakes. It will build and apply cleanly on top of 6.3-rc2 on its own, but I'd prefer if I could take it through my driver-core tree so that the driver core changes can be taken through there for 6.4-rc1. drivers/vhost/vdpa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index dc12dbd5b43b..08c7cb3399fc 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -1140,7 +1140,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v) struct vdpa_device *vdpa = v->vdpa; const struct vdpa_config_ops *ops = vdpa->config; struct device *dma_dev = vdpa_get_dma_dev(vdpa); - struct bus_type *bus; + const struct bus_type *bus; int ret; /* Device want to do DMA by itself */