From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roel Kluin Subject: pcm_oss: Can period_bytes - buffer_used be less than 0? Date: Wed, 04 Mar 2009 16:32:23 +0100 Message-ID: <49AE9F07.1000904@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ew0-f163.google.com (mail-ew0-f163.google.com [209.85.219.163]) by alsa0.perex.cz (Postfix) with ESMTP id 886EE1037EF for ; Wed, 4 Mar 2009 16:32:24 +0100 (CET) Received: by ewy7 with SMTP id 7so2751366ewy.32 for ; Wed, 04 Mar 2009 07:32:23 -0800 (PST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: tiwai@suse.de Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org vi sound/core/oss/pcm_oss.c +1572 (in linus' git tree) and note: static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file) { ... size_t size; ... :1608 size = runtime->oss.period_bytes - runtime->oss.period_ptr; can this period_bytes - buffer_used become less than 0? Roel