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/scripts/killpid.sh line 3:

	pid=`pfile -f $1`

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

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

Did you mean:

	pid=$(pfile -f "$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/scripts/killpid.sh line 4:

	[ "$pid" != "0" ] && kill $pid > /dev/console 2>&

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

Did you mean:

	[ "$pid" != "0" ] && kill "$pid" > /dev/console 2>&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/scripts/killpid.sh line 5:

	rm -f $1

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

Did you mean:

	rm -f "$1"

For more information:

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

  https://www.shellcheck.net/wiki/SC2006 -- Use $(...) notation instead of le...

[*] Source file killpid.sh