From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 A7D1DC433E0 for ; Fri, 3 Jul 2020 12:20:28 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 32AC820737 for ; Fri, 3 Jul 2020 12:20:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="O6O5K1Ig" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 32AC820737 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34372 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jrKg7-0000NE-52 for qemu-devel@archiver.kernel.org; Fri, 03 Jul 2020 08:20:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59084) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jrKfX-0008PH-Q9 for qemu-devel@nongnu.org; Fri, 03 Jul 2020 08:19:51 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:23048 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jrKfV-0003qS-RB for qemu-devel@nongnu.org; Fri, 03 Jul 2020 08:19:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593778788; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=U5b6yS5gh4OwLUqwEhMioKcO+mNLZfjEYPNXtA5NIwo=; b=O6O5K1IgTQEVbId4c8JVJGspbY96w2cXPcNdofqtyesayZqMrquOam9UUpMq6Ed1j45hAE cbQcH5nN+tO+YervRctiA/BXPA/ty8C/9cVZyDugFUZin3uzZCrsecrfkwuGja1rY4xmDt hTnE7xkWSXHTUcQ1/J4obFFH8TNzWqw= 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-333-KB6k9V0QMsa4Vq_DmNCnlg-1; Fri, 03 Jul 2020 08:19:43 -0400 X-MC-Unique: KB6k9V0QMsa4Vq_DmNCnlg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E03CF100CCC3 for ; Fri, 3 Jul 2020 12:19:42 +0000 (UTC) Received: from work-vm (ovpn-114-207.ams2.redhat.com [10.36.114.207]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 19B837BD4D; Fri, 3 Jul 2020 12:19:41 +0000 (UTC) Date: Fri, 3 Jul 2020 13:19:39 +0100 From: "Dr. David Alan Gilbert" To: qemu-devel@nongnu.org, quintela@redhat.com, thuth@redhat.com Subject: Re: [PATCH] migration: postcopy take proper error return Message-ID: <20200703121939.GB36813@work-vm> References: <20200701093557.130096-1-dgilbert@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200701093557.130096-1-dgilbert@redhat.com> User-Agent: Mutt/1.14.5 (2020-06-23) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=207.211.31.81; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/03 01:34:15 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" * Dr. David Alan Gilbert (git) (dgilbert@redhat.com) wrote: > From: "Dr. David Alan Gilbert" > > This function returns a boolean success and we're returning -1; > lets just use the 'out' error path. > > Signed-off-by: Dr. David Alan Gilbert > Fixes: 58b7c17e226 ("Disable mlock around incoming postcopy") > Buglink: https://bugs.launchpad.net/qemu/+bug/1885720 queued > --- > migration/postcopy-ram.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c > index a36402722b..bef2a3afed 100644 > --- a/migration/postcopy-ram.c > +++ b/migration/postcopy-ram.c > @@ -389,7 +389,7 @@ bool postcopy_ram_supported_by_host(MigrationIncomingState *mis) > */ > if (munlockall()) { > error_report("%s: munlockall: %s", __func__, strerror(errno)); > - return -1; > + goto out; > } > > /* > -- > 2.26.2 > > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK