WARNING: line length of 84 exceeds 80 columns
#53: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:56:
+	ASSERT_EQ(skel->bss->found_xattr_from_dentry, 1, "found_xattr_from_dentry");

WARNING: line length of 84 exceeds 80 columns
#76: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:79:
+		err = setxattr(paths[i], "user.kfunc", "hello", sizeof("hello"), 0);

CHECK: Please don't use multiple blank lines
#107: FILE: tools/testing/selftests/bpf/prog_tests/fs_kfuncs.c:110:
+
+

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#126: 
new file mode 100644

total: 0 errors, 3 warnings, 1 checks, 174 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 49663c1299d3 ("selftests/bpf: Add tests for bpf_get_dentry_xattr") 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, 3 warnings, 1 checks, 174 lines checked