main/cli: Do not attempt to show CDR data for internal channels

Internal channels don't have CDRs. Querying the CDR engine for their variables
will make it cranky.
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Merged revisions 422506 from http://svn.asterisk.org/svn/asterisk/branches/12
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Merged revisions 422507 from http://svn.asterisk.org/svn/asterisk/branches/13

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@422524 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/cli.c b/main/cli.c
index 7aa5022..a519cbc 100644 (file)
--- a/main/cli.c
+++ b/main/cli.c
@@ -1662,7 +1662,8 @@ static char *handle_showchan(struct ast_cli_entry *e, int cmd, struct ast_cli_ar
                ast_str_append(&output, 0, "%s=%s\n", ast_var_name(var), ast_var_value(var));
        }
 
-       if (ast_cdr_serialize_variables(ast_channel_name(chan), &obuf, '=', '\n')) {
+       if (!(ast_channel_tech(chan)->properties & AST_CHAN_TP_INTERNAL)
+               && ast_cdr_serialize_variables(ast_channel_name(chan), &obuf, '=', '\n')) {
                ast_str_append(&output, 0, "  CDR Variables:\n%s\n", ast_str_buffer(obuf));
        }