Backport of "ptp_helper_post_install.sh: deal with none" into 1.18
Backport of !620 (merged) "ptp_helper_post_install.sh: deal with none".
Commits:
- 40c994cd ptp_helper_post_install.sh: deal with none
Backport of !620 (merged) "ptp_helper_post_install.sh: deal with none".
Commits: