From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Tue, 9 May 2017 06:39:40 +0000 (+0200)
Subject: Fix bug on FDT nodes with compatible property
X-Git-Tag: grub-2.04-rc1~284
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f8471532d454b2db96434c28bf7105ed69e0f4d;p=thirdparty%2Fgrub.git

Fix bug on FDT nodes with compatible property
---

diff --git a/grub-core/bus/fdt.c b/grub-core/bus/fdt.c
index 6fb077000..34d535457 100644
--- a/grub-core/bus/fdt.c
+++ b/grub-core/bus/fdt.c
@@ -43,6 +43,8 @@ is_compatible (struct grub_fdtbus_driver *driver,
   grub_size_t compatible_size;
   const char *compatible = grub_fdt_get_prop (dtb, node, "compatible",
 					      &compatible_size);
+  if (!compatible)
+    return 0;
   const char *compatible_end = compatible + compatible_size;
   while (compatible < compatible_end)
     {