[syslinux:master] gfxboot: require LABEL keywords

[syslinux-bot for Sebastian Herbszt]

Commit-ID:  77dcc0710a788dcdb866d6b0b76057aaadf36ec7
Gitweb:     http://syslinux.zytor.com/commit/77dcc0710a788dcdb866d6b0b76057aaadf36ec7
Author:     Sebastian Herbszt <herbszt at gmx.de>
AuthorDate: Sun, 5 Dec 2010 21:43:45 +0100
Committer:  Sebastian Herbszt <herbszt at gmx.de>
CommitDate: Sun, 5 Dec 2010 21:43:45 +0100

gfxboot: require LABEL keywords

Require LABEL keywords in config file.

Signed-off-by: Sebastian Herbszt <herbszt at gmx.de>


---
 com32/gfxboot/gfxboot.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/com32/gfxboot/gfxboot.c b/com32/gfxboot/gfxboot.c
index cea43b4..552728f 100644
--- a/com32/gfxboot/gfxboot.c
+++ b/com32/gfxboot/gfxboot.c
@@ -441,6 +441,11 @@ do_include:
   if (!top_level)
     return 0;
 
+  if (gfx_menu.entries == 0) {
+    printf("No LABEL keywords found.\n");
+    return 1;
+  }
+
   // final '\0'
   gfx_menu.label_size++;
   gfx_menu.arg_size++;