File grub2-zipl-setup-fix-btrfs-multipledev.patch of Package grub2.30709

---
 util/s390x/zipl2grub.pl.in |    4 ++++
 1 file changed, 4 insertions(+)

--- a/util/s390x/zipl2grub.pl.in
+++ b/util/s390x/zipl2grub.pl.in
@@ -384,6 +384,10 @@ while ( <IN> ) {
     } else {
       $v = "";
     }
+    if ($k eq "GRUB_DEVICE" && $v !~ /^UUID/ && ! -e $v) {
+      s{root=\@$k\@}{}g;
+      next;
+    }
     s{\@$k\@}{$v}g;
   }
   Info( 3, $_);