In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/rcS line 10:

	target=/etc/rc.d/rcS_mfg.d/S??*

               ^----------------------^ SC2125 (warning): Brace expansions and globs are literal in assignments. Quote it or use an array.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/rcS line 13:

	target=/etc/rc.d/rcS.d/S??*

               ^------------------^ SC2125 (warning): Brace expansions and globs are literal in assignments. Quote it or use an array.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/rcS line 27:

		. $i

                  ^-- SC1090 (warning): ShellCheck can't follow non-constant source. Use a directive to specify location.

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

Did you mean: 

		. "$i"

For more information:

  https://www.shellcheck.net/wiki/SC1090 -- ShellCheck can't follow non-const...

  https://www.shellcheck.net/wiki/SC2125 -- Brace expansions and globs are li...

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