In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/disks line 3:

. /lib/rcscripts/sh/error.sh

  ^------------------------^ SC1091 (info): Not following: /lib/rcscripts/sh/error.sh was not specified as input (see shellcheck -x).

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/disks line 20:

[ -f $data_file_path ] || touch $data_file_path && chown storage:storage $data_file_path ||

                                                ^-- SC2015 (info): Note that A && B || C is not if-then-else. C may run when A is true.

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/disks line 29:

	. /etc/conf.d/mac

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

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/disks line 30:

	serno=`echo $MAC | sed 's/://g'`

              ^------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

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

Did you mean: 

	serno=$(echo "$MAC" | sed 's/://g')

In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/disks line 35:

exec /usr/bin/storage_manager -n $storage_manager_options

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

Did you mean: 

exec /usr/bin/storage_manager -n "$storage_manager_options"

For more information:

  https://www.shellcheck.net/wiki/SC1091 -- Not following: /etc/conf.d/mac wa...

  https://www.shellcheck.net/wiki/SC2015 -- Note that A && B || C is not if-t...

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