WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#60: FILE: tools/testing/selftests/bpf/progs/verifier_bits_iter.c:205:
+	volatile int nr;

total: 0 errors, 1 warnings, 0 checks, 52 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 dfe79c8e6ba7 ("selftests/bpf: Use -4095 as the bad address for bits iterator") 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, 0 checks, 52 lines checked