In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/etc/init.d/boot-trigger line 3:

. /etc/init.d/functions.sh

  ^----------------------^ SC1091 (info): Not following: /etc/init.d/functions.sh was not specified as input (see shellcheck -x).

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/etc/init.d/boot-trigger line 8:

	local f=phcg v

        ^------------^ SC3043 (warning): In POSIX sh, 'local' is undefined.

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/etc/init.d/boot-trigger line 12:

	v=$(parhandclient get $1 - RAW 2>/dev/null || :)

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

Did you mean: 

	v=$(parhandclient get "$1" - RAW 2>/dev/null || :)

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/etc/init.d/boot-trigger line 44:

		        { read s <$vridi && [ "$s" ] && [ $s -eq 0 ]; }; } &&

                          ^--^ SC2162 (info): read without -r will mangle backslashes.

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

Did you mean: 

		        { read s <$vridi && [ "$s" ] && [ "$s" -eq 0 ]; }; } &&

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/etc/init.d/boot-trigger line 47:

			counter=$(($counter + 1))

                                   ^------^ SC2004 (style): $/${} is unnecessary on arithmetic variables.

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/etc/init.d/boot-trigger line 50:

		if [ $1 = start ]; then

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

Did you mean: 

		if [ "$1" = start ]; then

For more information:

  https://www.shellcheck.net/wiki/SC3043 -- In POSIX sh, 'local' is undefined.

  https://www.shellcheck.net/wiki/SC1091 -- Not following: /etc/init.d/functi...

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