From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 10 Aug 2009 07:53:18 +0000 (+0200)
Subject: Fix zero-division in pcm_rate.c
X-Git-Tag: v1.0.21~7
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=79345b523e8e2b5a7c9e375e5755dfbc4ce6e723;p=alsa-lib.git

Fix zero-division in pcm_rate.c

Patch from Debian bug#539454

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/src/pcm/pcm_rate.c b/src/pcm/pcm_rate.c
index c705875c..ecf00221 100644
--- a/src/pcm/pcm_rate.c
+++ b/src/pcm/pcm_rate.c
@@ -195,7 +195,7 @@ static int snd_pcm_rate_hw_refine_cchange(snd_pcm_t *pcm, snd_pcm_hw_params_t *p
 		if (!snd_interval_checkempty(period_size) &&
 		    period_size->openmin && period_size->openmax &&
 		    period_size->min + 1 == period_size->max) {
-		    	if ((buffer_size->min / period_size->min) * period_size->min == buffer_size->min) {
+			if (period_size->min > 0 && (buffer_size->min / period_size->min) * period_size->min == buffer_size->min) {
 		    		snd_interval_set_value(period_size, period_size->min);
 		    	} else if ((buffer_size->max / period_size->max) * period_size->max == buffer_size->max) {
 		    		snd_interval_set_value(period_size, period_size->max);