From 2fd180a92d11b24dccfbf3d8cef7c330124faae8 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Thu, 1 Nov 2012 16:03:24 -0400
Subject: [PATCH] Don't fail if there's no network devices

findNetboot() would continue blindly even if no PXE-capable devices were
found. Fix that.
---
 netboot.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/netboot.c b/netboot.c
index cc43b72..90fb9cb 100644
--- a/netboot.c
+++ b/netboot.c
@@ -106,6 +106,11 @@ try_again:
 		goto try_again;
 	}
 
+	if (status == EFI_NOT_FOUND) {
+		FreePool(buffer);
+		return FALSE;
+	}
+
 	/*
  	 * We have a list of pxe supporting protocols, lets see if any are
  	 * active