In /logs/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract/etc/init0.d/S21layout.sh line 2:

echo [$0]: $1 ... > /dev/console

      ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

           ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:

echo ["$0"]: "$1" ... > /dev/console

In /logs/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract/etc/init0.d/S21layout.sh line 5:

	service LAYOUT $1

                       ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:

	service LAYOUT "$1"

In /logs/firmware/unblob_extracted/firmware_extract/DIR-600_fw_revb5_214b01_ALL_de_20130122/dir600b_v2.14_d1mg.bin_extract/1179788-3612812.squashfs_v4_le_extract/etc/init0.d/S21layout.sh line 8:

	echo [$0]: invalid argument - $1 > /dev/console

              ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

                                      ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:

	echo ["$0"]: invalid argument - "$1" > /dev/console

For more information:

  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...

[*] Source file S21layout.sh