From patchwork Tue Jul 23 07:02:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Konstantin Kostiuk X-Patchwork-Id: 13739635 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 87BEBC3DA49 for ; Tue, 23 Jul 2024 07:04:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sW9Yz-0008Dm-PF; Tue, 23 Jul 2024 03:03:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sW9Yp-0007p4-Oi for qemu-devel@nongnu.org; Tue, 23 Jul 2024 03:03:48 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sW9Yo-0000uq-6Y for qemu-devel@nongnu.org; Tue, 23 Jul 2024 03:03:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1721718223; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=E+4OEcfCBx1yNmRfg8InUQI1xPEQU0KY9UnlgF5lAIQ=; b=O0McTWQ5WZo59skny/BkFM6rS7zumxaA2qB4lpDJ4qlbz8wGZoV/9ZNdeIBw/yH1q0XRAE 9xApPAwr5Y7g9zYzxLSeFCXI91dT28+YSc849Id/4Bb7F5ZPsY2IuaXFnr8iPD0DCaqtig H2ivD/8e775WXFaAmFzAT1pSZxVe9Sc= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-659-E1-x1rsGN2COOPjS1pOCwQ-1; Tue, 23 Jul 2024 03:03:41 -0400 X-MC-Unique: E1-x1rsGN2COOPjS1pOCwQ-1 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 17C031955BF4; Tue, 23 Jul 2024 07:03:41 +0000 (UTC) Received: from srv1.redhat.com (unknown [10.45.224.211]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 988E43000197; Tue, 23 Jul 2024 07:03:39 +0000 (UTC) From: Konstantin Kostiuk To: qemu-devel@nongnu.org, Peter Maydell , Stefan Hajnoczi Subject: [PULL v2 23/25] qga/commands-posix: Make ga_wait_child() return boolean Date: Tue, 23 Jul 2024 10:02:49 +0300 Message-ID: <20240723070251.25575-24-kkostiuk@redhat.com> In-Reply-To: <20240723070251.25575-1-kkostiuk@redhat.com> References: <20240723070251.25575-1-kkostiuk@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kkostiuk@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.133, 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=0.001, 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: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Zhao Liu Make ga_wait_child() return boolean and check the returned boolean in ga_run_command() instead of dereferencing @errp. Cc: Michael Roth Cc: Konstantin Kostiuk Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Zhao Liu Reviewed-by: Konstantin Kostiuk Message-ID: <20240716162351.270095-1-zhao1.liu@intel.com> Signed-off-by: Konstantin Kostiuk --- qga/commands-posix.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 578d29f228..c2bd0b4316 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -48,7 +48,7 @@ #endif #endif -static void ga_wait_child(pid_t pid, int *status, Error **errp) +static bool ga_wait_child(pid_t pid, int *status, Error **errp) { pid_t rpid; @@ -59,10 +59,11 @@ static void ga_wait_child(pid_t pid, int *status, Error **errp) if (rpid == -1) { error_setg_errno(errp, errno, "failed to wait for child (pid: %d)", pid); - return; + return false; } g_assert(rpid == pid); + return true; } static ssize_t ga_pipe_read_str(int fd[2], char **str) @@ -167,8 +168,7 @@ static int ga_run_command(const char *argv[], const char *in_str, goto out; } - ga_wait_child(pid, &status, errp); - if (*errp) { + if (!ga_wait_child(pid, &status, errp)) { goto out; }