In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup 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/usr/libexec/ptz-preinstall-setup line 13:
ADM_GRP=admin
^-----^ SC2209 (warning): Use var=$(command) to assign output (or quote to assign string).


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 17:
	rm -rf /etc/ptz/bin/$1
                            ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	rm -rf /etc/ptz/bin/"$1"


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 18:
	rm -rf /etc/ptz/help/$1
                             ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	rm -rf /etc/ptz/help/"$1"


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 22:
	local driver_path
        ^---------------^ SC3043 (warning): In POSIX sh, 'local' is undefined.


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 23:
	local channel
        ^-----------^ SC3043 (warning): In POSIX sh, 'local' is undefined.


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 24:
	local nbr_channels
        ^----------------^ SC3043 (warning): In POSIX sh, 'local' is undefined.


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 37:
	[ -d $driver_path ] ||
             ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	[ -d "$driver_path" ] ||


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 38:
		[ -x $driver_path/$DRIVER_BIN ] ||
                     ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		[ -x "$driver_path"/$DRIVER_BIN ] ||


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 39:
		[ -f $driver_path/$DRIVER_CONF ] ||
                     ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		[ -f "$driver_path"/$DRIVER_CONF ] ||


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 40:
		[ -f $driver_path/$DRIVER_HELP ] || {
                     ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		[ -f "$driver_path"/$DRIVER_HELP ] || {


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 52:
	while [ $channel -lt $nbr_channels ]; do
                             ^-----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	while [ $channel -lt "$nbr_channels" ]; do


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 53:
		channel=$(($channel + 1))
                           ^------^ SC2004 (style): $/${} is unnecessary on arithmetic variables.


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 66:
		ln -sf $driver_path/$DRIVER_CONF /etc/ptz/bin/$channel/$DRIVER_CONF || {
                       ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		ln -sf "$driver_path"/$DRIVER_CONF /etc/ptz/bin/$channel/$DRIVER_CONF || {


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 71:
		ln -sf $driver_path/$DRIVER_HELP /etc/ptz/help/$channel/$DRIVER_HELP || {
                       ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		ln -sf "$driver_path"/$DRIVER_HELP /etc/ptz/help/$channel/$DRIVER_HELP || {


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/libexec/ptz-preinstall-setup line 76:
		ln -sf $driver_path/$DRIVER_BIN /etc/ptz/bin/$channel/$DRIVER_BIN || {
                       ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		ln -sf "$driver_path"/$DRIVER_BIN /etc/ptz/bin/$channel/$DRIVER_BIN || {

For more information:
  https://www.shellcheck.net/wiki/SC2209 -- Use var=$(command) to assign outp...
  https://www.shellcheck.net/wiki/SC3043 -- In POSIX sh, 'local' is undefined.
  https://www.shellcheck.net/wiki/SC1091 -- Not following: /etc/init.d/functi...