WARNING: line length of 88 exceeds 80 columns
#68: FILE: tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c:217:
+		test_ns_current_pid_tgid_new_ns(test_current_pid_tgid_cgrp, &cgroup_fd);

CHECK: Please don't use multiple blank lines
#80: FILE: tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c:227:
+
+

total: 0 errors, 1 warnings, 1 checks, 56 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit e9c53a60c8c6 ("selftests/bpf: ns_current_pid_tgid: Use test_progs's ns_ feature") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 1 warnings, 1 checks, 56 lines checked