Fix fork CDR seggy (bug #3855)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5257 65c4cc65-6c06-0410-ace0-fbb531ad65f3
20 years ago · 39ca88f776
parent 03f5290b89
commit 39ca88f776
1 changed files with 2 additions and 1 deletions
--- a/apps/app_forkcdr.c
+++ b/apps/app_forkcdr.c
@ -64,7 +64,8 @@ static int forkcdr_exec(struct ast_channel *chan, void *data)
 	int res=0;
 	struct localuser *u;
 	LOCAL_USER_ADD(u);
-	ast_set2_flag(chan->cdr, strchr((char *)data, 'v'), AST_CDR_FLAG_KEEP_VARS);
+	if (data && !ast_strlen_zero(data))
+		ast_set2_flag(chan->cdr, strchr((char *)data, 'v'), AST_CDR_FLAG_KEEP_VARS);
 	
 	ast_cdr_fork(chan);