From patchwork Thu May 28 12:35:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 281759 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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 9B6D3C433E0 for ; Thu, 28 May 2020 12:50:25 +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 62614206F1 for ; Thu, 28 May 2020 12:50:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="hkkgMXlb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 62614206F1 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]:38992 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jeHzM-0003rO-IY for qemu-devel@archiver.kernel.org; Thu, 28 May 2020 08:50:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33714) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jeHm0-0001w7-Ee for qemu-devel@nongnu.org; Thu, 28 May 2020 08:36:36 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:32554 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 1jeHlt-0005Fd-Ex for qemu-devel@nongnu.org; Thu, 28 May 2020 08:36:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1590669388; 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=vhaGpItVAJY0Kh28EoW+iZj4wIKFYfoIVL8Ul9ZNK3k=; b=hkkgMXlbdb0Oepm/iBUriTasZTFEI2ZdEAQG8t8l5O9NJLoB+GPaCg9YvpFAaU5+KY5pTG FkbIBaoCFLSfbz7NeI07SaKibkoBMRZO8vApL8YTaRyKXDzUmnWuaA0kGj0p8p6VewqAK1 po8e/eHDmQ2sFof7fiV22b3pHwCel3o= 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-441-613lVL-COoqGZLJCqhXdvQ-1; Thu, 28 May 2020 08:36:19 -0400 X-MC-Unique: 613lVL-COoqGZLJCqhXdvQ-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 3D7DC8015CF; Thu, 28 May 2020 12:36:18 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-113-50.ams2.redhat.com [10.36.113.50]) by smtp.corp.redhat.com (Postfix) with ESMTP id D3242A102D; Thu, 28 May 2020 12:36:17 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id AE16D9D58; Thu, 28 May 2020 14:36:09 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 09/21] hw/display/xlnx_dp: Replace disabled DPRINTF() by error_report() Date: Thu, 28 May 2020 14:35:57 +0200 Message-Id: <20200528123609.27362-10-kraxel@redhat.com> In-Reply-To: <20200528123609.27362-1-kraxel@redhat.com> References: <20200528123609.27362-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/28 02:50:32 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, DKIMWL_WL_HIGH=0.001, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=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: , Cc: Peter Maydell , Igor Mitsyanko , Alistair Francis , Mark Cave-Ayland , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?b?w6k=?= , qemu-arm@nongnu.org, qemu-ppc@nongnu.org, Gerd Hoffmann , "Edgar E. Iglesias" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Philippe Mathieu-Daudé DPRINTF() calls are disabled by default, so when unexpected data is used, the whole process abort without information. Display a bit of information with error_report() before crashing. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Edgar E. Iglesias Reviewed-by: Alistair Francis Message-id: 20200526062252.19852-10-f4bug@amsat.org Signed-off-by: Gerd Hoffmann --- hw/display/xlnx_dp.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c index 3e5fb44e06ee..8d940cd8d1a5 100644 --- a/hw/display/xlnx_dp.c +++ b/hw/display/xlnx_dp.c @@ -1,5 +1,5 @@ /* - * xlnx_dp.c + * Xilinx Display Port * * Copyright (C) 2015 : GreenSocs Ltd * http://www.greensocs.com/ , email: info@greensocs.com @@ -24,6 +24,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" +#include "qemu/error-report.h" #include "qemu/log.h" #include "qemu/module.h" #include "hw/display/xlnx_dp.h" @@ -465,7 +466,7 @@ static uint8_t xlnx_dp_aux_pop_tx_fifo(XlnxDPState *s) uint8_t ret; if (fifo8_is_empty(&s->tx_fifo)) { - DPRINTF("tx_fifo underflow..\n"); + error_report("%s: TX_FIFO underflow", __func__); abort(); } ret = fifo8_pop(&s->tx_fifo); @@ -525,6 +526,7 @@ static void xlnx_dp_aux_set_command(XlnxDPState *s, uint32_t value) qemu_log_mask(LOG_UNIMP, "xlnx_dp: Write i2c status not implemented\n"); break; default: + error_report("%s: invalid command: %u", __func__, cmd); abort(); } @@ -631,8 +633,8 @@ static void xlnx_dp_change_graphic_fmt(XlnxDPState *s) s->g_plane.format = PIXMAN_b8g8r8; break; default: - DPRINTF("error: unsupported graphic format %u.\n", - s->avbufm_registers[AV_BUF_FORMAT] & DP_GRAPHIC_MASK); + error_report("%s: unsupported graphic format %u", __func__, + s->avbufm_registers[AV_BUF_FORMAT] & DP_GRAPHIC_MASK); abort(); } @@ -647,8 +649,8 @@ static void xlnx_dp_change_graphic_fmt(XlnxDPState *s) s->v_plane.format = PIXMAN_x8b8g8r8; break; default: - DPRINTF("error: unsupported video format %u.\n", - s->avbufm_registers[AV_BUF_FORMAT] & DP_NL_VID_FMT_MASK); + error_report("%s: unsupported video format %u", __func__, + s->avbufm_registers[AV_BUF_FORMAT] & DP_NL_VID_FMT_MASK); abort(); }