WARNING: line length of 89 exceeds 80 columns
#68: FILE: tools/testing/selftests/bpf/progs/verifier_fmod_ret_return.c:16:
+__msg("At program exit the register R0 has smin=1 smax=1 should have been in [-4095, 0]")

WARNING: line length of 90 exceeds 80 columns
#76: FILE: tools/testing/selftests/bpf/progs/verifier_fmod_ret_return.c:24:
+__msg("At program exit the register R0 has smin=0 smax=0 should have been in [-4095, -1]")

WARNING: line length of 90 exceeds 80 columns
#84: FILE: tools/testing/selftests/bpf/progs/verifier_fmod_ret_return.c:32:
+__msg("At program exit the register R0 has smin=1 smax=1 should have been in [-4095, -1]")

WARNING: line length of 85 exceeds 80 columns
#99: FILE: tools/testing/selftests/bpf/progs/verifier_fmod_ret_return.c:47:
+__msg("At program exit the register R0 has smin=1 smax=1 should have been in [0, 0]")

total: 0 errors, 4 warnings, 0 checks, 74 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 6fb40d707112 ("selftests/bpf: Add selftests for verifying return values of fmod_ret.") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 4 warnings, 0 checks, 74 lines checked