In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/bin/lttng-trace-gpio line 10:

      case $opt in

      ^-- SC2220 (warning): Invalid flags are not handled. Add a *) case.

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/bin/lttng-trace-gpio line 20:

lttng add-context $SESSION $CHANNEL -k --type pid --type tid

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

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

Did you mean: 

lttng add-context "$SESSION" "$CHANNEL" -k --type pid --type tid

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/bin/lttng-trace-gpio line 21:

lttng enable-event $SESSION $CHANNEL -k --tracepoint gpio_direction  

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

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

Did you mean: 

lttng enable-event "$SESSION" "$CHANNEL" -k --tracepoint gpio_direction  

In /logs/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/usr/bin/lttng-trace-gpio line 22:

lttng enable-event $SESSION $CHANNEL -k --tracepoint gpio_value

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

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

Did you mean: 

lttng enable-event "$SESSION" "$CHANNEL" -k --tracepoint gpio_value

For more information:

  https://www.shellcheck.net/wiki/SC2220 -- Invalid flags are not handled. Ad...

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