From 3842e0f745298f09aeb7bc55f894d184636badb7 Mon Sep 17 00:00:00 2001
From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Tue, 10 Feb 2015 14:58:38 +0100
Subject: [PATCH] Do not run --uboot-cmd if it is empty string

---
 novaboot | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/novaboot b/novaboot
index 7603aa6..a7c1b9b 100755
--- a/novaboot
+++ b/novaboot
@@ -1130,8 +1130,8 @@ if (defined $uboot) {
 	$exp->expect(5, $uboot_prompt)  || die "U-Boot prompt timeout";
 
     }
-    if (!$variables->{NO_BOOT}) {
-	$uboot_cmd //= $variables->{UBOOT_CMD} // 'bootm $kernel_addr $ramdisk_addr $fdt_addr';
+    $uboot_cmd //= $variables->{UBOOT_CMD} // 'bootm $kernel_addr $ramdisk_addr $fdt_addr';
+    if (!$variables->{NO_BOOT} && $uboot_cmd ne '') {
 	$uboot_cmd =~ s/\$kernel_addr/$uboot_addr{kernel}/g;
 	$uboot_cmd =~ s/\$ramdisk_addr/$uboot_addr{ramdisk}/g;
 	$uboot_cmd =~ s/\$fdt_addr/$uboot_addr{fdt}/g;
-- 
2.39.2