2627 	struct btf *desc_btf;  in add_kfunc_call()  local
2678 	desc_btf = find_kfunc_desc_btf(env, offset);  in add_kfunc_call()
2679 	if (IS_ERR(desc_btf)) {  in add_kfunc_call()
2681 		return PTR_ERR(desc_btf);  in add_kfunc_call()
2692 	func = btf_type_by_id(desc_btf, func_id);  in add_kfunc_call()
2698 	func_proto = btf_type_by_id(desc_btf, func->type);  in add_kfunc_call()
2705 	func_name = btf_name_by_offset(desc_btf, func->name_off);  in add_kfunc_call()
2737 	err = btf_distill_func_proto(&env->log, desc_btf,  in add_kfunc_call()
3221 	struct btf *desc_btf;  in disasm_kfunc_name()  local
3226 	desc_btf = find_kfunc_desc_btf(data, insn->off);  in disasm_kfunc_name()
3227 	if (IS_ERR(desc_btf))  in disasm_kfunc_name()
3230 	func = btf_type_by_id(desc_btf, insn->imm);  in disasm_kfunc_name()
3231 	return btf_name_by_offset(desc_btf, func->name_off);  in disasm_kfunc_name()
11249 	struct btf *desc_btf;  in fetch_kfunc_meta()  local
11257 	desc_btf = find_kfunc_desc_btf(env, insn->off);  in fetch_kfunc_meta()
11258 	if (IS_ERR(desc_btf))  in fetch_kfunc_meta()
11259 		return PTR_ERR(desc_btf);  in fetch_kfunc_meta()
11262 	func = btf_type_by_id(desc_btf, func_id);  in fetch_kfunc_meta()
11263 	func_name = btf_name_by_offset(desc_btf, func->name_off);  in fetch_kfunc_meta()
11266 	func_proto = btf_type_by_id(desc_btf, func->type);  in fetch_kfunc_meta()
11268 	kfunc_flags = btf_kfunc_id_set_contains(desc_btf, func_id, env->prog);  in fetch_kfunc_meta()
11274 	meta->btf = desc_btf;  in fetch_kfunc_meta()
11296 	struct btf *desc_btf;  in check_kfunc_call()  local
11307 	desc_btf = meta.btf;  in check_kfunc_call()
11408 	t = btf_type_skip_modifiers(desc_btf, meta.func_proto->type, NULL);  in check_kfunc_call()
11424 		ptr_type = btf_type_skip_modifiers(desc_btf, t->type, &ptr_type_id);  in check_kfunc_call()
11484 				regs[BPF_REG_0].btf = desc_btf;  in check_kfunc_call()
11487 				ret_t = btf_type_by_id(desc_btf, meta.arg_constant.value);  in check_kfunc_call()
11496 				regs[BPF_REG_0].btf = desc_btf;  in check_kfunc_call()
11543 				if (!IS_ERR(btf_resolve_size(desc_btf, ptr_type, &sz))) {  in check_kfunc_call()
11549 				ptr_type_name = btf_name_by_offset(desc_btf,  in check_kfunc_call()
11571 			regs[BPF_REG_0].btf = desc_btf;  in check_kfunc_call()
11611 		t = btf_type_skip_modifiers(desc_btf, args[i].type, NULL);  in check_kfunc_call()