WARNING: line length of 84 exceeds 80 columns
#158: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr_file.c:115:
+	err = setxattr(shell_copy, xattr_name, xattr_value, sizeof(xattr_value), 0);

WARNING: line length of 81 exceeds 80 columns
#227: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr_file.c:184:
+	 * file_open hook can filter on it from the very first file opened during

WARNING: line length of 82 exceeds 80 columns
#248: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr_file.c:205:
+	 * The child is gone at this point. Reopening an unrelated file triggers a

WARNING: line length of 81 exceeds 80 columns
#249: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr_file.c:206:
+	 * second file_open hook where the BPF program validates the stashed ref.

WARNING: line length of 81 exceeds 80 columns
#250: FILE: tools/testing/selftests/bpf/prog_tests/refcounted_kptr_file.c:207:
+	 * Our test op for the ref validity is reading the xattrs we set earlier.

WARNING: line length of 85 exceeds 80 columns
#345: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr_file.c:47:
+	if ((__u32)(bpf_get_current_pid_tgid() >> 32) != (__u32)file_kptr_insert_pid)

WARNING: line length of 81 exceeds 80 columns
#366: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr_file.c:68:
+	 * Only stash the child's final executable, which we identify by the test

WARNING: line length of 85 exceeds 80 columns
#407: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr_file.c:109:
+	if ((__u32)(bpf_get_current_pid_tgid() >> 32) != (__u32)file_kptr_verify_pid)

WARNING: line length of 81 exceeds 80 columns
#420: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr_file.c:122:
+	 * Pull the file out of the map to get a referenced pointer for the xattr

WARNING: line length of 82 exceeds 80 columns
#421: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr_file.c:123:
+	 * kfunc and to drop the map's last reference once verification completes.

WARNING: line length of 83 exceeds 80 columns
#445: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr_file.c:147:
+	if (bpf_strncmp(file_kptr_value, sizeof(expected_value), expected_value)) {

WARNING: line length of 81 exceeds 80 columns
#493: FILE: tools/testing/selftests/bpf/progs/refcounted_kptr_file_fail.c:31:
+	/* ctx_file is just the hook argument, not an acquired file reference. */

total: 0 errors, 12 warnings, 0 checks, 609 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 2142a1ebc0b8 ("selftests/bpf: Add test for map-stored struct file kptrs") 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, 12 warnings, 0 checks, 609 lines checked