Check tempchan->type in app_zapscan.c (bug 1250)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2465 65c4cc65-6c06-0410-ace0-fbb531ad65f3
22 years ago · 687b0ebe6e
parent 8c232e1dbb
commit 687b0ebe6e
1 changed files with 1 additions and 1 deletions
--- a/apps/app_zapscan.c
+++ b/apps/app_zapscan.c
@ -269,7 +269,7 @@ static int conf_exec(struct ast_channel *chan, void *data)
                tempchan = ast_channel_walk(tempchan);
                if ( !tempchan && !lastchan )
                        break;
-                if ( tempchan && (!strcmp(tempchan->type, "Zap")) && (tempchan != chan) ) {
+                if ( tempchan && tempchan->type && (!strcmp(tempchan->type, "Zap")) && (tempchan != chan) ) {
                        ast_verbose(VERBOSE_PREFIX_3 "Zap channel %s is in-use, monitoring...\n", tempchan->name);
                        strcpy(confstr, tempchan->name);
                        if ((tmp = strchr(confstr,'-'))) {