init.d/sysfs: load efivarfs module when booting in efi mode:1

The presence of /sys/firmware/efi is used to indicate that the system
was booted in efi mode.

init.d/sysfs.in

@@ -99,7 +99,11 @@ mount_misc()
 	fi
 
 	# set up kernel support for efivarfs
-	if [ ! -d /sys/firmware/efi/efivars ] && modprobe -q efivarfs; then
+	# The presence of /sys/firmware/efi indicates that the system was
+	# booted in efi mode.
+	if [ -d /sys/firmware/efi ]; then
+		if [ ! -d /sys/firmware/efi/efivars ] &&
+			modprobe -q efivarfs; then
 			ewarn "The efivarfs module needs to be configured in " \
 				  "@SYSCONFDIR@/conf.d/modules or built in"
 		fi
@@ -112,6 +116,7 @@ mount_misc()
 				eend $?
 			fi
 		fi
+	fi
 }
 
 mount_cgroups()