if $grub_manage {
# hp-health requires nopat on linux 4.9
- $grub_do_nopat = ($::systemproductname =~ /^ProLiant/ and versioncmp($::kernelversion, '4.9') >= 0)
+ $grub_do_nopat = ($::systemproductname and $::systemproductname =~ /^ProLiant/ and versioncmp($::kernelversion, '4.9') >= 0)
$grub_do_extra = $::hostname in [fasolo]