WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#19: 
new file mode 100644

WARNING: line length of 88 exceeds 80 columns
#51: FILE: tools/testing/selftests/bpf/prog_tests/dentry_lsm.c:28:
+	ret = snprintf(test_file, sizeof(test_file), "/tmp/bpf_test_file_%d", getpid());

WARNING: externs should be avoided in .c files
#88: FILE: tools/testing/selftests/bpf/progs/dentry_lsm.c:11:
+extern struct dentry *bpf_dget_parent(struct dentry *dentry) __ksym;

WARNING: externs should be avoided in .c files
#89: FILE: tools/testing/selftests/bpf/progs/dentry_lsm.c:12:
+extern struct dentry *bpf_d_find_alias(struct inode *inode) __ksym;

WARNING: externs should be avoided in .c files
#90: FILE: tools/testing/selftests/bpf/progs/dentry_lsm.c:13:
+extern struct dentry *bpf_file_dentry(struct file *file) __ksym;

WARNING: externs should be avoided in .c files
#91: FILE: tools/testing/selftests/bpf/progs/dentry_lsm.c:14:
+extern struct vfsmount *bpf_file_vfsmount(struct file *file) __ksym;

total: 0 errors, 6 warnings, 0 checks, 99 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 1aa0775a99dd ("selftests/bpf: Add tests for dentry kfuncs") 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, 6 warnings, 0 checks, 99 lines checked