one more disallow issue resolved disallow=all in peer must flush prefs list

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4379 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/frame.c b/frame.c
index 2b116fb..40bd9c2 100755 (executable)
--- a/frame.c
+++ b/frame.c
@@ -982,7 +982,8 @@ void ast_parse_allow_deny(struct ast_codec_pref *pref, int *mask, char *list, in
                                        ast_codec_pref_append(pref, format_i);
                                else
                                        ast_codec_pref_remove(pref, format_i);
-                       }
+                       } else if(!allowing) /* disallow all must clear your prefs or it makes no sense */
+                               memset(pref, 0, sizeof(struct ast_codec_pref));
                } else
                        ast_log(LOG_WARNING, "Cannot %s unknown format '%s'\n", allowing ? "allow" : "disallow", last_format);