{"id":808688,"url":"http://patchwork.ozlabs.org/api/1.2/patches/808688/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170901131409.6712-1-kraxel@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.2/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170901131409.6712-1-kraxel@redhat.com>","list_archive_url":null,"date":"2017-09-01T13:14:09","name":"wm8750: add record buffer underrun check","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"dd76a1257aa0310f2cb4e8a17deb1815c94a765a","submitter":{"id":589,"url":"http://patchwork.ozlabs.org/api/1.2/people/589/?format=json","name":"Gerd Hoffmann","email":"kraxel@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170901131409.6712-1-kraxel@redhat.com/mbox/","series":[{"id":1031,"url":"http://patchwork.ozlabs.org/api/1.2/series/1031/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=1031","date":"2017-09-01T13:14:09","name":"wm8750: add record buffer underrun check","version":1,"mbox":"http://patchwork.ozlabs.org/series/1031/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/808688/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/808688/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=)","ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=kraxel@redhat.com"],"Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xkKyd5Vntz9s2G\n\tfor ;\n\tFri, 1 Sep 2017 23:36:25 +1000 (AEST)","from localhost ([::1]:40620 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1dnm7T-0004BW-Ns\n\tfor incoming@patchwork.ozlabs.org; Fri, 01 Sep 2017 09:36:23 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:60094)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1dnlmG-0000HG-FF\n\tfor qemu-devel@nongnu.org; Fri, 01 Sep 2017 09:14:33 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1dnlmB-0006Gn-Vs\n\tfor qemu-devel@nongnu.org; Fri, 01 Sep 2017 09:14:28 -0400","from mx1.redhat.com ([209.132.183.28]:36492)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from ) id 1dnlmB-0006GQ-Pc\n\tfor qemu-devel@nongnu.org; Fri, 01 Sep 2017 09:14:23 -0400","from smtp.corp.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id B7778806C1\n\tfor ; Fri, 1 Sep 2017 13:14:22 +0000 (UTC)","from sirius.home.kraxel.org (ovpn-116-70.ams2.redhat.com\n\t[10.36.116.70])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id C2E369342F;\n\tFri, 1 Sep 2017 13:14:17 +0000 (UTC)","by sirius.home.kraxel.org (Postfix, from userid 1000)\n\tid 98FF216A890; Fri, 1 Sep 2017 15:14:09 +0200 (CEST)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com B7778806C1","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\n\t(mx1.redhat.com [10.5.110.26]);\n\tFri, 01 Sep 2017 13:14:22 +0000 (UTC)","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[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":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Gerd Hoffmann ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"Reported-by: niuguoxiang@huawei.com\nSigned-off-by: Gerd Hoffmann \n---\n hw/audio/wm8750.c | 6 +++++-\n 1 file changed, 5 insertions(+), 1 deletion(-)","diff":"diff --git a/hw/audio/wm8750.c b/hw/audio/wm8750.c\nindex f8b5bebfc2..d2bf2e1da1 100644\n--- a/hw/audio/wm8750.c\n+++ b/hw/audio/wm8750.c\n@@ -680,8 +680,12 @@ uint32_t wm8750_adc_dat(void *opaque)\n WM8750State *s = (WM8750State *) opaque;\n uint32_t *data;\n \n- if (s->idx_in >= sizeof(s->data_in))\n+ if (s->idx_in >= sizeof(s->data_in)) {\n wm8750_in_load(s);\n+ if (s->idx_in >= sizeof(s->data_in)) {\n+ return 0x80008000; /* silence in AUD_FMT_S16 sample format */\n+ }\n+ }\n \n data = (uint32_t *) &s->data_in[s->idx_in];\n s->req_in -= 4;\n","prefixes":[]}