Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
if [ ! "$(grep "console=ttyS0" /proc/cmdline)" == "" ]; then
scon="on";
fi
- IFS= read -r DMI_PRODUCT_NAME < /sys/class/dmi/id/product_name;
- case ${DMI_PRODUCT_NAME} in
- APU|apu[1-4]|PC\ Engines\ apu[1-4] )
- scon="on";
- ;;
- esac
+ if [ -e /sys/class/dmi/id/product_name ]; then
+ IFS= read -r DMI_PRODUCT_NAME < /sys/class/dmi/id/product_name;
+ case ${DMI_PRODUCT_NAME} in
+ APU|apu[1-4]|PC\ Engines\ apu[1-4] )
+ scon="on";
+ ;;
+ esac
+ fi
# Enable the serial console on all systems on Azure
if running_on_azure; then