From 29ddf27b72960d6e6b115cd69812c9c57b2a7b13 Mon Sep 17 00:00:00 2001
From: malc <malc@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 8 Jun 2008 04:27:56 +0000
Subject: Check the returned audio_buf_info fields

At least on one system zero is returned in either fragsize or
fragstotal (reported by Dave Scott), this results in an audio_calloc
failing the audio_bug check and another ominous error message. Fail
early and blame the system.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4699 c046a42c-6fe2-441c-8c8c-71466251a162
---
 audio/ossaudio.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'audio/ossaudio.c')

diff --git a/audio/ossaudio.c b/audio/ossaudio.c
index 2a300c21de..a29b4bc172 100644
--- a/audio/ossaudio.c
+++ b/audio/ossaudio.c
@@ -254,6 +254,12 @@ static int oss_open (int in, struct oss_params *req,
         goto err;
     }
 
+    if (!abinfo.fragstotal || !abinfo.fragsize) {
+        AUD_log (AUDIO_CAP, "Returned bogus buffer information(%d, %d) for %s\n",
+                 abinfo.fragstotal, abinfo.fragsize, typ);
+        goto err;
+    }
+
     obt->fmt = fmt;
     obt->nchannels = nchannels;
     obt->freq = freq;
-- 
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