don't blow up if a jitterbuffer is not in use

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@35555 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 2 insertions, 1 deletions

diff --git a/channel.c b/channel.c
index 30a1ad073..84e2fbe79 100644
--- a/channel.c
+++ b/channel.c
@@ -1015,7 +1015,8 @@ void ast_channel_free(struct ast_channel *chan)
 		ast_var_delete(vardata);
 
 	/* Destroy the jitterbuffer */
-	ast_jb_destroy(chan);
+	if (chan->jb)
+		ast_jb_destroy(chan);
 
 	ast_string_field_free_all(chan);
 	free(chan);