WARNING: line length of 82 exceeds 80 columns
#26: FILE: tools/testing/selftests/bpf/prog_tests/subskeleton.c:49:
+/* initialize and load through skeleton, then instantiate subskeleton out of it */

WARNING: line length of 96 exceeds 80 columns
#36: FILE: tools/testing/selftests/bpf/prog_tests/subskeleton.c:81:
+/* initialize and load through generic bpf_object API, then instantiate subskeleton out of it */

CHECK: Please don't use multiple blank lines
#100: FILE: tools/testing/selftests/bpf/prog_tests/subskeleton.c:145:
+
+

total: 0 errors, 2 warnings, 1 checks, 85 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 713768a66e82 ("selftests/bpf: validate generic bpf_object and subskel APIs work together") 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, 85 lines checked