Fix divide by zero (bugs #2268 and 2259)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3626 65c4cc65-6c06-0410-ace0-fbb531ad65f3
21 years ago · 3ca96a1317
parent 3bcff2d2f9
commit 3ca96a1317
1 changed files with 3 additions and 0 deletions
--- a/dsp.c
+++ b/dsp.c
@ -1229,6 +1229,9 @@ static int __ast_dsp_silence(struct ast_dsp *dsp, short *s, int len, int *totals
 	int x;
 	int res = 0;

+	if (!len)
+		return 0;
+	
 	accum = 0;
 	for (x=0;x<len; x++) 
 		accum += abs(s[x]);