From patchwork Fri Jun 18 23:03:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 12332319 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 97F49C48BDF for ; Fri, 18 Jun 2021 23:07:33 +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 37D7061205 for ; Fri, 18 Jun 2021 23:07:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37D7061205 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]:57654 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1luNaG-0001ev-BK for qemu-devel@archiver.kernel.org; Fri, 18 Jun 2021 19:07:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34862) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luNY8-0006rK-Al for qemu-devel@nongnu.org; Fri, 18 Jun 2021 19:05:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:55970) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1luNY6-0006Ak-Kq for qemu-devel@nongnu.org; Fri, 18 Jun 2021 19:05:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1624057518; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I1+qNx9M7q3o9a9mFv8d6hVCXCyKHldj24y6Awjf83M=; b=LDUhYPmc/i1h8DfnHjvJ84VOpMd2z9QhF04a70K5aoGnQz7csDZn3ZTbZmTj3SocCzdXVZ iv+KLO+bMqSu3lcw3SRd3LWMdM7b25k3vdE4MGw1PY0A5oWr1gy5w1akvNpbsWN/5qrfiG CrI2WC1ZwOzWONXmQVOk+TiNR621Riw= 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-330-izfQkSYOOv6B8sET9d9iGA-1; Fri, 18 Jun 2021 19:05:16 -0400 X-MC-Unique: izfQkSYOOv6B8sET9d9iGA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 673EF1084F54; Fri, 18 Jun 2021 23:05:15 +0000 (UTC) Received: from scv.redhat.com (ovpn-113-126.rdu2.redhat.com [10.10.113.126]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0877910246F1; Fri, 18 Jun 2021 23:05:13 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Subject: [PULL 14/72] scripts/qom-fuse: ensure QOMFuse.read always returns bytes Date: Fri, 18 Jun 2021 19:03:57 -0400 Message-Id: <20210618230455.2891199-15-jsnow@redhat.com> In-Reply-To: <20210618230455.2891199-1-jsnow@redhat.com> References: <20210618230455.2891199-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jsnow@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.194, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: , Cc: Peter Maydell , Eduardo Habkost , John Snow , Markus Armbruster , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" - Use FuseOSError to signal ENOENT instead of returning it - Wrap qom-get in str(), as we don't always know its type - The empty return should be b'', not ''. Signed-off-by: John Snow Reviewed-by: Philippe Mathieu-Daudé Message-id: 20210603003719.1321369-15-jsnow@redhat.com Signed-off-by: John Snow --- scripts/qmp/qom-fuse | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/scripts/qmp/qom-fuse b/scripts/qmp/qom-fuse index 703a97e75f..0d11f73152 100755 --- a/scripts/qmp/qom-fuse +++ b/scripts/qmp/qom-fuse @@ -127,19 +127,19 @@ class QOMFuse(QOMCommand, Operations): def read(self, path, size, offset, fh): if not self.is_property(path): - return -ENOENT + raise FuseOSError(ENOENT) path, prop = path.rsplit('/', 1) if path == '': path = '/' try: - data = self.qmp.command('qom-get', path=path, property=prop) + data = str(self.qmp.command('qom-get', path=path, property=prop)) data += '\n' # make values shell friendly except QMPResponseError as err: raise FuseOSError(EPERM) from err if offset > len(data): - return '' + return b'' return bytes(data[offset:][:size], encoding='utf-8')