From patchwork Mon Jan 20 10:18:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 11341641 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A427913A4 for ; Mon, 20 Jan 2020 10:20:33 +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 79F0C20684 for ; Mon, 20 Jan 2020 10:20:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="CpS1PqO9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 79F0C20684 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:33274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1itUAa-0000j0-94 for patchwork-qemu-devel@patchwork.kernel.org; Mon, 20 Jan 2020 05:20:32 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:35057) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1itU8L-0006H6-AP for qemu-devel@nongnu.org; Mon, 20 Jan 2020 05:18:14 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1itU8K-0006TV-CE for qemu-devel@nongnu.org; Mon, 20 Jan 2020 05:18:13 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:60644 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1itU8K-0006TE-8Z for qemu-devel@nongnu.org; Mon, 20 Jan 2020 05:18:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579515491; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=T6o0reu1MwlfA8b6JlWyMZw91O1QvVuAUkVo2niYfxo=; b=CpS1PqO99F7KOicrZD9oRwrpW7Z9EtVO/qxMuC7uQsJIgdvgrgO0horD+B/zzj6vgygagQ ijiKJoI7OnsvrnbPM5ZaRGZDWo5JcYAaAjKpbh5Vx0kHt/342YxIlEQeC+HwxPuWqhH4/n wRUMEiQU/CvMd3rJYfgmbA0P2jtOGxY= 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-28-jy0CzBM-MnCNXQmszNZp3Q-1; Mon, 20 Jan 2020 05:18:08 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 61E02DB60; Mon, 20 Jan 2020 10:18:07 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-106.ams2.redhat.com [10.36.116.106]) by smtp.corp.redhat.com (Postfix) with ESMTP id BFDEC5D9E1; Mon, 20 Jan 2020 10:18:04 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 1DCA116E18; Mon, 20 Jan 2020 11:18:04 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH] audio/oss: fix buffer pos calculation Date: Mon, 20 Jan 2020 11:18:04 +0100 Message-Id: <20200120101804.29578-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-MC-Unique: jy0CzBM-MnCNXQmszNZp3Q-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.120 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: Gerd Hoffmann , =?utf-8?b?S8WRdsOhZ8OzIFpvbHTDoW4=?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Fixes: 3ba4066d085f ("ossaudio: port to the new audio backend api") Reported-by: ziming zhang Signed-off-by: Gerd Hoffmann Reviewed-by: Philippe Mathieu-Daudé --- audio/ossaudio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/audio/ossaudio.c b/audio/ossaudio.c index c43faeeea4aa..94564916fbf0 100644 --- a/audio/ossaudio.c +++ b/audio/ossaudio.c @@ -420,7 +420,7 @@ static size_t oss_write(HWVoiceOut *hw, void *buf, size_t len) size_t to_copy = MIN(len, hw->size_emul - hw->pos_emul); memcpy(hw->buf_emul + hw->pos_emul, buf, to_copy); - hw->pos_emul = (hw->pos_emul + to_copy) % hw->pos_emul; + hw->pos_emul = (hw->pos_emul + to_copy) % hw->size_emul; buf += to_copy; len -= to_copy; }