diff options
Diffstat (limited to 'channel.c')
-rwxr-xr-x | channel.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -2317,7 +2317,8 @@ static void clone_variables(struct ast_channel *original, struct ast_channel *cl /* Append variables from clone channel into original channel */ /* XXX Is this always correct? We have to in order to keep MACROS working XXX */ - AST_LIST_INSERT_TAIL(&original->varshead, AST_LIST_FIRST(&clone->varshead), entries); + if (AST_LIST_FIRST(&clone->varshead)) + AST_LIST_INSERT_TAIL(&original->varshead, AST_LIST_FIRST(&clone->varshead), entries); } /* Assumes channel will be locked when called */ |