From: Anthony Minessale <anthony.minessale@gmail.com>
Date: Fri, 15 Dec 2006 17:01:01 +0000 (+0000)
Subject: avoid potential div by zero
X-Git-Tag: v1.0-beta1~1566
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d06a2c7e0a2a1b2f738bb0241428b3a33b25e4a7;p=thirdparty%2Ffreeswitch.git

avoid potential div by zero

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3670 d0543943-73ff-0310-b7d9-9358b9ac24b2
---

diff --git a/src/mod/applications/mod_conference/mod_conference.c b/src/mod/applications/mod_conference/mod_conference.c
index 6a6678b254..566c20562e 100644
--- a/src/mod/applications/mod_conference/mod_conference.c
+++ b/src/mod/applications/mod_conference/mod_conference.c
@@ -3256,14 +3256,15 @@ static void *SWITCH_THREAD_FUNC input_thread_run(switch_thread_t *thread, void *
 			int16_t *data;
 
 			data = read_frame->data;
-			samples = read_frame->datalen / sizeof(*data);
+			if ((samples = read_frame->datalen / sizeof(*data))) {
 
-			for (i = 0; i < samples; i++) {
-				energy += abs(data[j]);
-				j += read_codec->implementation->number_of_channels;
-			}
+                for (i = 0; i < samples; i++) {
+                    energy += abs(data[j]);
+                    j += read_codec->implementation->number_of_channels;
+                }
 
-			score = energy / samples;
+                score = energy / samples;
+            }
 
 			if (score > energy_level) {
 				uint32_t diff = score - energy_level;