In /logs/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract/etc/init.d/sysctl line 4:

START=11

^---^ SC2034 (warning): START appears unused. Verify use (or export if used externally).

In /logs/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract/etc/init.d/sysctl line 7:

	local mem="$(awk '/^MemTotal:/ {print $2}' /proc/meminfo)"

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

              ^-^ SC2155 (warning): Declare and assign separately to avoid masking return values.

In /logs/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract/etc/init.d/sysctl line 8:

	local min_free frag_low_thresh frag_high_thresh

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

For more information:

  https://www.shellcheck.net/wiki/SC2034 -- START appears unused. Verify use ...

  https://www.shellcheck.net/wiki/SC2155 -- Declare and assign separately to ...

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