WARNING: line length of 81 exceeds 80 columns
#68: FILE: kernel/bpf/btf.c:7005:
+				 const struct btf *btf, const struct btf_type *t)

WARNING: line length of 93 exceeds 80 columns
#90: FILE: kernel/bpf/btf.c:7027:
+		bpf_log(log, "arg#%d reference type('%s %s') candidate matching error: %d\n",

WARNING: line length of 89 exceeds 80 columns
#91: FILE: kernel/bpf/btf.c:7028:
+			arg_idx, btf_type_str(t), __btf_name_by_offset(btf, t->name_off),

WARNING: line length of 89 exceeds 80 columns
#97: FILE: kernel/bpf/btf.c:7034:
+			arg_idx, btf_type_str(t), __btf_name_by_offset(btf, t->name_off),

WARNING: line length of 107 exceeds 80 columns
#103: FILE: kernel/bpf/btf.c:7040:
+		bpf_log(log, "arg#%d reference type('%s %s') points to kernel module type (unsupported)\n",

WARNING: line length of 90 exceeds 80 columns
#104: FILE: kernel/bpf/btf.c:7041:
+			arg_idx, btf_type_str(t), __btf_name_by_offset(btf, t->name_off));

WARNING: line length of 92 exceeds 80 columns
#142: FILE: kernel/bpf/btf.c:7204:
+				bpf_log(log, "arg#%d has invalid combination of tags\n", i);

WARNING: line length of 85 exceeds 80 columns
#196: FILE: kernel/bpf/verifier.c:9343:
+			if (register_is_null(reg) && type_may_be_null(arg->arg_type))

WARNING: line length of 83 exceeds 80 columns
#199: FILE: kernel/bpf/verifier.c:9346:
+			memset(&meta, 0, sizeof(meta)); /* leave func_id as zero */

WARNING: line length of 93 exceeds 80 columns
#200: FILE: kernel/bpf/verifier.c:9347:
+			err = check_reg_type(env, regno, arg->arg_type, &arg->btf_id, &meta);

WARNING: line length of 92 exceeds 80 columns
#201: FILE: kernel/bpf/verifier.c:9348:
+			err = err ?: check_func_arg_reg_off(env, reg, regno, arg->arg_type);

WARNING: line length of 83 exceeds 80 columns
#211: FILE: kernel/bpf/verifier.c:20152:
+			} else if (base_type(arg->arg_type) == ARG_PTR_TO_BTF_ID) {

WARNING: line length of 96 exceeds 80 columns
#220: FILE: kernel/bpf/verifier.c:20161:
+				reg->btf = bpf_get_btf_vmlinux(); /* can't fail at this point */

total: 0 errors, 13 warnings, 0 checks, 175 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 224fefed3e2d ("bpf: add __arg_trusted global func arg tag") 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, 13 warnings, 0 checks, 175 lines checked