From nobody Tue Nov 4 08:20:27 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1504273040644642.6283876746924; Fri, 1 Sep 2017 06:37:20 -0700 (PDT) Received: from localhost ([::1]:40632 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dnm8N-00054p-JC for importer@patchew.org; Fri, 01 Sep 2017 09:37:19 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60094) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dnlmG-0000HG-FF for qemu-devel@nongnu.org; Fri, 01 Sep 2017 09:14:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dnlmB-0006Gn-Vs for qemu-devel@nongnu.org; Fri, 01 Sep 2017 09:14:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36492) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dnlmB-0006GQ-Pc for qemu-devel@nongnu.org; Fri, 01 Sep 2017 09:14:23 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B7778806C1 for ; Fri, 1 Sep 2017 13:14:22 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-70.ams2.redhat.com [10.36.116.70]) by smtp.corp.redhat.com (Postfix) with ESMTP id C2E369342F; Fri, 1 Sep 2017 13:14:17 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 98FF216A890; Fri, 1 Sep 2017 15:14:09 +0200 (CEST) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com B7778806C1 Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=kraxel@redhat.com From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Fri, 1 Sep 2017 15:14:09 +0200 Message-Id: <20170901131409.6712-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Fri, 01 Sep 2017 13:14:22 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH] wm8750: add record buffer underrun check X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Reported-by: niuguoxiang@huawei.com Signed-off-by: Gerd Hoffmann --- hw/audio/wm8750.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/audio/wm8750.c b/hw/audio/wm8750.c index f8b5bebfc2..d2bf2e1da1 100644 --- a/hw/audio/wm8750.c +++ b/hw/audio/wm8750.c @@ -680,8 +680,12 @@ uint32_t wm8750_adc_dat(void *opaque) WM8750State *s =3D (WM8750State *) opaque; uint32_t *data; =20 - if (s->idx_in >=3D sizeof(s->data_in)) + if (s->idx_in >=3D sizeof(s->data_in)) { wm8750_in_load(s); + if (s->idx_in >=3D sizeof(s->data_in)) { + return 0x80008000; /* silence in AUD_FMT_S16 sample format */ + } + } =20 data =3D (uint32_t *) &s->data_in[s->idx_in]; s->req_in -=3D 4; --=20 2.9.3