Merged revisions 186985 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

................
  r186985 | mmichelson | 2009-04-08 10:27:41 -0500 (Wed, 08 Apr 2009) | 30 lines
  
  Merged revisions 186984 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r186984 | mmichelson | 2009-04-08 10:26:46 -0500 (Wed, 08 Apr 2009) | 24 lines
    
    Make a couple of changes with regards to a new message printed in ast_read().
    
    "ast_read() called with no recorded file descriptor" is a new message added
    after a bug was discovered. Unfortunately, it seems there are a bunch of places
    that potentially make such calls to ast_read() and trigger this error message
    to be displayed. This commit does two things to help to make this message appear
    less.
    
    First, the message has been downgraded to a debug level message if dev mode is
    not enabled. The message means a lot more to developers than it does to end users,
    and so developers should take an effort to be sure to call ast_read only when
    a channel is ready to be read from. However, since this doesn't actually cause an
    error in operation and is not something a user can easily fix, we should not spam
    their console with these messages.
    
    Second, the message has been moved to after the check for any pending masquerades.
    ast_read() being called with no recorded file descriptor should not interfere with
    a masquerade taking place.
    
    This could be seen as a simple way of resolving issue #14723. However, I still want
    to try to clear out the existing ways of triggering this message, since I feel that
    would be a better resolution for the issue.
  ........
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@186986 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/channel.c

@@ -2516,12 +2516,6 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
 		usleep(1);
 	}
 
-	if (chan->fdno == -1) {
-		ast_log(LOG_ERROR, "ast_read() called with no recorded file descriptor.\n");
-		f = &ast_null_frame;
-		goto done;
-	}
-
 	if (chan->masq) {
 		if (ast_do_masquerade(chan))
 			ast_log(LOG_WARNING, "Failed to perform masquerade\n");
@@ -2530,6 +2524,16 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
 		goto done;
 	}
 
+	if (chan->fdno == -1) {
+#ifdef AST_DEVMODE
+		ast_log(LOG_ERROR, "ast_read() called with no recorded file descriptor.\n");
+#else
+		ast_debug(2, "ast_read() called with no recorded file descriptor.\n");
+#endif
+		f = &ast_null_frame;
+		goto done;
+	}
+
 	/* Stop if we're a zombie or need a soft hangup */
 	if (ast_test_flag(chan, AST_FLAG_ZOMBIE) || ast_check_hangup(chan)) {
 		if (chan->generator)