diff options
Diffstat (limited to 'include/asterisk/linkedlists.h')
| -rw-r--r-- | include/asterisk/linkedlists.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/asterisk/linkedlists.h b/include/asterisk/linkedlists.h index b78e7b002..f99001e7b 100644 --- a/include/asterisk/linkedlists.h +++ b/include/asterisk/linkedlists.h @@ -691,15 +691,18 @@ struct { \ calling this macro (the list entries are \b moved to the target list). */ #define AST_LIST_APPEND_LIST(head, list, field) do { \ - if (!(head)->first) { \ + if (!(list)->first) { \ + break; \ + } \ + if (!(head)->first) { \ (head)->first = (list)->first; \ (head)->last = (list)->last; \ - } else { \ + } else { \ (head)->last->field.next = (list)->first; \ (head)->last = (list)->last; \ - } \ - (list)->first = NULL; \ - (list)->last = NULL; \ + } \ + (list)->first = NULL; \ + (list)->last = NULL; \ } while (0) #define AST_RWLIST_APPEND_LIST AST_LIST_APPEND_LIST |