From 4740703d9dc1dab286eb2d69473dd15da3a79da4 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@ipxe.org>
Date: Tue, 27 Mar 2012 20:55:19 +0100
Subject: [PATCH] [console] Ignore unexpected keysyms when generating keyboard
 maps

I am unable to find any definitive documentation on how Linux keyboard
symbols work.  In the absence of any documentation, I'm going to
assume that unexpected keysyms are harmless and should be ignored.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/util/genkeymap.pl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/util/genkeymap.pl b/src/util/genkeymap.pl
index d556df27..6487cd79 100755
--- a/src/util/genkeymap.pl
+++ b/src/util/genkeymap.pl
@@ -124,8 +124,10 @@ sub keysym_to_ascii {
   return unless $keysym;
 
   # Sanity check
-  die "Unexpected keysym ".sprintf ( "0x%04x\n", $keysym )."\n"
-      if $keysym & 0xf000;
+  if ( $keysym & 0xf000 ) {
+    warn "Unexpected keysym ".sprintf ( "0x%04x", $keysym )."\n";
+    return;
+  }
 
   # Extract type and value
   my $type = ( $keysym >> 8 );