# HG changeset patch
# User Thomas Klausner <tk@giga.or.at>
# Date 1563797564 -7200
# Node ID 4968bc47a1a56efb71b27281288107107d12e1ee
# Parent  2131d6bdf32afe743908323d665ebb846746c54d
fd_fifo_getstats: it is not an error if a queue does not exist

This happens e.g. when peers disappear or during shutdown.

diff -r 2131d6bdf32a -r 4968bc47a1a5 libfdproto/fifo.c
--- a/libfdproto/fifo.c	Fri Jul 19 11:43:26 2019 +0200
+++ b/libfdproto/fifo.c	Mon Jul 22 14:12:44 2019 +0200
@@ -293,6 +293,11 @@
 {
 	TRACE_ENTRY( "%p %p %p %p %p %p %p %p", queue, current_count, limit_count, highest_count, total_count, total, blocking, last);
 
+	if (queue == NULL) {
+		/* It is not an error if the queue is not available; happens e.g. when peers disappear */
+		return 0;
+	}
+
 	/* Check the parameters */
 	CHECK_PARAMS( CHECK_FIFO( queue ) );