From patchwork Tue Jan 12 05:36:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cindy Lu X-Patchwork-Id: 12012449 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D4D3C433E9 for ; Tue, 12 Jan 2021 05:38:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51FB622CE3 for ; Tue, 12 Jan 2021 05:38:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732713AbhALFiK (ORCPT ); Tue, 12 Jan 2021 00:38:10 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:28541 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732578AbhALFiJ (ORCPT ); Tue, 12 Jan 2021 00:38:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610429802; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=VH1DnjM7C34WcJYdUsZY2fXbHo1byMf7LCcAsLj7Uv8=; b=RhoS5SaRHW3Od+Zxb/4HowZ0x6SqFBLTWmoieWF7DpvhpLqrSdAWrH2KGtD/XzALPV+JIn s6lCG2punM8Y525jaUR+Ti9Noqh9L/Z+oOT21fxxv4Nx0LzStW3NOhtOmFHRMc8wfNgtg5 nreYGGz0VGmgT5Cvl9mCR3z7Bt+G6/g= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-268-l5RWiJr-MDS2JphWcs2S1g-1; Tue, 12 Jan 2021 00:36:40 -0500 X-MC-Unique: l5RWiJr-MDS2JphWcs2S1g-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3B67C802B40; Tue, 12 Jan 2021 05:36:39 +0000 (UTC) Received: from laptop.redhat.com (ovpn-12-95.pek2.redhat.com [10.72.12.95]) by smtp.corp.redhat.com (Postfix) with ESMTP id 97A9B60BE2; Tue, 12 Jan 2021 05:36:32 +0000 (UTC) From: Cindy Lu To: lulu@redhat.com, jasowang@redhat.com, mst@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, lingshan.zhu@intel.com Cc: stable@vger.kernel.org Subject: [PATCH v3] vhost_vdpa: fix the problem in vhost_vdpa_set_config_call Date: Tue, 12 Jan 2021 13:36:29 +0800 Message-Id: <20210112053629.9853-1-lulu@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org In vhost_vdpa_set_config_call, the cb.private should be vhost_vdpa. this cb.private will finally use in vhost_vdpa_config_cb as vhost_vdpa. Fix this issue. Fixes: 776f395004d82 ("vhost_vdpa: Support config interrupt in vdpa") Acked-by: Jason Wang Signed-off-by: Cindy Lu --- 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 ef688c8c0e0e..3fbb9c1f49da 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -319,7 +319,7 @@ static long vhost_vdpa_set_config_call(struct vhost_vdpa *v, u32 __user *argp) struct eventfd_ctx *ctx; cb.callback = vhost_vdpa_config_cb; - cb.private = v->vdpa; + cb.private = v; if (copy_from_user(&fd, argp, sizeof(fd))) return -EFAULT;