From dc9bdda08481a28ea1f2aaaab411a2044af1da98 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Fri, 2 Dec 2022 11:57:16 +0000
Subject: [PATCH] tests/nbd: Unlink pidfile before running qemu-nbd

It might be left over from a previous failed run.  Best to unlink the
old file before starting qemu-nbd, so there's no possibility of
getting confused later when we wait for the file to appear.
---
 tests/nbd/test-nbd.pl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/nbd/test-nbd.pl b/tests/nbd/test-nbd.pl
index 4a6b0ec66..8119ab305 100755
--- a/tests/nbd/test-nbd.pl
+++ b/tests/nbd/test-nbd.pl
@@ -52,6 +52,7 @@ sub run_test {
     my $cwd = getcwd ();
     my $server;
     my $pidfile = "$cwd/nbd/nbd.pid";
+    unlink "$pidfile";
     my @qemu_nbd = ("qemu-nbd", $disk, "-t", "--pid-file", $pidfile);
     if ($has_format_opt) {
         push @qemu_nbd, "--format", "raw";