WARNING: Missing commit description - Add an appropriate one

WARNING: line length of 83 exceeds 80 columns
#44: FILE: tools/testing/selftests/bpf/prog_tests/cgrp_kfunc.c:105:
+	prog = bpf_object__find_program_by_name(skel->obj, "test_cgrp_from_id_ns");

CHECK: Blank lines aren't necessary before a close brace '}'
#72: FILE: tools/testing/selftests/bpf/prog_tests/cgrp_kfunc.c:133:
+
+}

total: 0 errors, 2 warnings, 1 checks, 81 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 fbb00b4a6810 ("selftests/bpf: Add a test for bpf_cgroup_from_id lookup in non-root cgns") 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, 2 warnings, 1 checks, 81 lines checked