WARNING: line length of 87 exceeds 80 columns
#133: FILE: tools/testing/selftests/bpf/prog_tests/d_path.c:237:
+	if (CHECK(fallocate(localfd, 0, 0, 1024) < 0, "trigger", "fallocate failed\n"))

WARNING: line length of 84 exceeds 80 columns
#174: FILE: tools/testing/selftests/bpf/progs/test_d_path.c:67:
+int BPF_PROG(prog_fallocate, struct file *file, int mode, loff_t offset, loff_t len)

total: 0 errors, 2 warnings, 0 checks, 155 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 a730a8157c0e ("selftests/bpf: add regression test for bpf_d_path()") 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, 2 warnings, 0 checks, 155 lines checked