From: David van Moolenbroek <david@minix3.org>
Date: Wed, 28 Dec 2016 13:12:15 +0000 (+0000)
Subject: libaudiodriver: buffer accounting bugfix
X-Git-Url: http://zhaoyanbai.com/repos//%22http:/%22%29?a=commitdiff_plain;h=refs%2Fpull%2F196%2Fhead;p=minix.git

libaudiodriver: buffer accounting bugfix

This fixes #191.

Change-Id: I93752161e466b2d03bbcb0838705aab9619c05c8
---

diff --git a/minix/lib/libaudiodriver/audio_fw.c b/minix/lib/libaudiodriver/audio_fw.c
index ff3ce5cfd..56a91c99c 100644
--- a/minix/lib/libaudiodriver/audio_fw.c
+++ b/minix/lib/libaudiodriver/audio_fw.c
@@ -609,6 +609,7 @@ static void handle_int_read(int sub_dev_nr)
 			sub_dev_ptr->DmaLength -= 1;
 			sub_dev_ptr->DmaReadNext = 
 				(sub_dev_ptr->DmaReadNext + 1) % sub_dev_ptr->NrOfDmaFragments;
+			sub_dev_ptr->BufLength += 1;
 			sub_dev_ptr->BufFillNext = 
 				(sub_dev_ptr->BufFillNext + 1) % sub_dev_ptr->NrOfExtraBuffers;
 		}