From patchwork Fri Oct 9 10:19:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 303346 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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 5DF7DC433DF for ; Fri, 9 Oct 2020 10:28:19 +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 90E232226B for ; Fri, 9 Oct 2020 10:28:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="eOatJqYH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90E232226B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34842 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kQpdJ-0005KZ-IC for qemu-devel@archiver.kernel.org; Fri, 09 Oct 2020 06:28:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43004) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kQpVT-0005Ct-HH for qemu-devel@nongnu.org; Fri, 09 Oct 2020 06:20:11 -0400 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:52195 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kQpVQ-0001me-IJ for qemu-devel@nongnu.org; Fri, 09 Oct 2020 06:20:11 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 4C73wX10Ldz9sVS; Fri, 9 Oct 2020 21:19:56 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1602238796; bh=P6GDoue4Fmo2XAOiOyb4TA3e4zSKC+OE9HjRXqaEWYU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eOatJqYHzpb98WGMZtpl9eswgjsHGlCs5zYHZ6rjXVhvFt8pSOdplehSXbhyU3aPi 0uTIHCps0QKT2NYJDKo65raeN/brehW1MYbo/LpawrC3i4s6qIa9UCBI1uO7dSCrWZ uxq11gfurauwuoAfVDNgyZCpRQvzLSg474iVJ2tY= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 07/20] spapr: Simplify error handling in do_client_architecture_support() Date: Fri, 9 Oct 2020 21:19:38 +1100 Message-Id: <20201009101951.1569252-8-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201009101951.1569252-1-david@gibson.dropbear.id.au> References: <20201009101951.1569252-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Received-SPF: pass client-ip=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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: Vladimir Sementsov-Ogievskiy , dbarboza@redhat.com, qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nonngu.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Greg Kurz Use the return value of ppc_set_compat_all() to check failures, which is preferred over hijacking local_err. Signed-off-by: Greg Kurz Message-Id: <20200914123505.612812-7-groug@kaod.org> Reviewed-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: David Gibson --- hw/ppc/spapr_hcall.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 885ea60778..607740150f 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -1666,7 +1666,6 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu, uint32_t cas_pvr; SpaprOptionVector *ov1_guest, *ov5_guest; bool guest_radix; - Error *local_err = NULL; bool raw_mode_supported = false; bool guest_xive; CPUState *cs; @@ -1697,8 +1696,9 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu, /* Update CPUs */ if (cpu->compat_pvr != cas_pvr) { - ppc_set_compat_all(cas_pvr, &local_err); - if (local_err) { + Error *local_err = NULL; + + if (ppc_set_compat_all(cas_pvr, &local_err) < 0) { /* We fail to set compat mode (likely because running with KVM PR), * but maybe we can fallback to raw mode if the guest supports it. */ @@ -1707,7 +1707,6 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu, return H_HARDWARE; } error_free(local_err); - local_err = NULL; } }