Bug in pri_find_principle

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5755 65c4cc65-6c06-0410-ace0-fbb531ad65f3
21 years ago · 91bfc89301
parent 840a2ba5b4
commit 91bfc89301
1 changed files with 3 additions and 1 deletions
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@ -7337,7 +7337,9 @@ static int pri_find_principle(struct zt_pri *pri, int channel)
 	
 	if (!PRI_EXPLICIT(channel)) {
 		spanfd = pri_active_dchan_fd(pri);
-		span = ioctl(spanfd, ZT_GET_PARAMS, &param);
+		if (ioctl(spanfd, ZT_GET_PARAMS, &param))
+			return -1;
+		span = param.spanno - 1;
 	}

 	for (x=0;x<pri->numchans;x++) {