Resolve unneeded subshell

defaults/linuxrc

@@ -724,8 +724,13 @@ fi
 cd "${CHROOT}"
 mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
 echo -ne "${BOLD}.${NORMAL}"
+
 # If devtmpfs is mounted assume genkernel mounted it at /dev and try unmounting it
-grep -qs devtmpfs /proc/mounts && ( umount /dev || echo '*: Failed to unmount the devtmpfs /dev!' )
+if grep -qs devtmpfs /proc/mounts
+then
+	umount /dev || echo '*: Failed to unmount the devtmpfs /dev!'
+fi
+
 umount /sys || echo '*: Failed to unmount the ramdisk /sys!'
 umount /proc || echo '*: Failed to unmount the ramdisk /proc!'
 echo -e "${BOLD}.${NORMAL}"