From patchwork Fri Apr 29 10:25:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Schoenebeck X-Patchwork-Id: 12831861 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 69E2DC433EF for ; Fri, 29 Apr 2022 11:24:31 +0000 (UTC) Received: from localhost ([::1]:42846 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkOje-0000bR-7n for qemu-devel@archiver.kernel.org; Fri, 29 Apr 2022 07:24:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37228) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkO6R-0007VJ-23; Fri, 29 Apr 2022 06:43:59 -0400 Received: from lizzy.crudebyte.com ([91.194.90.13]:47481) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkO6P-0008DO-Kt; Fri, 29 Apr 2022 06:43:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=crudebyte.com; s=lizzy; h=Cc:To:Subject:Date:From:References:In-Reply-To: Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Content-ID: Content-Description; bh=M8pYgY9HNMhKEkwruRWVG1Le2uLEC0KaabEbJ3It6c8=; b=PNhwX KLj8zlsk7gQ5eB/AtLIDuVgM5xZSLjQLp07I9xWxTTa3tzanrD7nj++pgn1PnGbh6yaT9BH9b4XH6 Jw3/mPDAyoqK6saIVgLUuKw8622tqE617WaZQzyYpji7/+M98XjFJpGPzuBqmWgKcMNClvZBRQTjl a3wYHIXl7fwngcXzVDJoe8xcCntSRi6EBpY3rmlpKQB7ecZEZ830UYw8fybnAT93mbDRKMMTh8gYh MBj05/F/J+E0cVs+u7pmRSbkAIvy0W9s5hUL8I37z53mQdTjEPaD/Umjo4bjj8ZthzERAIjMg+H1z rjiEzuMY17LobYxhAYcAdxu45joeQ==; Message-Id: In-Reply-To: References: From: Christian Schoenebeck Date: Fri, 29 Apr 2022 12:25:29 +0200 Subject: [PATCH v5 6/6] 9pfs: fix qemu_mknodat() to always return -1 on error on macOS host To: qemu-devel@nongnu.org Cc: Will Cohen , Greg Kurz , Michael Roitzsch , Keno Fischer , Akihiko Odaki , qemu-stable@nongnu.org Received-SPF: none client-ip=91.194.90.13; envelope-from=c714b5e1cae225ab7575242c45ee0fe4945eb6ad@lizzy.crudebyte.com; helo=lizzy.crudebyte.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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" qemu_mknodat() is expected to behave according to its POSIX API, and therefore should always return exactly -1 on any error, and errno should be set for the actual error code. Signed-off-by: Christian Schoenebeck Reviewed-by: Greg Kurz --- hw/9pfs/9p-util-darwin.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/9pfs/9p-util-darwin.c b/hw/9pfs/9p-util-darwin.c index 619c403ba7..a5f8707bb8 100644 --- a/hw/9pfs/9p-util-darwin.c +++ b/hw/9pfs/9p-util-darwin.c @@ -124,7 +124,8 @@ int qemu_mknodat(int dirfd, const char *filename, mode_t mode, dev_t dev) } if (!pthread_fchdir_np) { error_report_once("pthread_fchdir_np() not available on this version of macOS"); - return -ENOTSUP; + errno = ENOTSUP; + return -1; } if (pthread_fchdir_np(dirfd) < 0) { return -1;