2024 	struct btf *desc_btf;  in add_kfunc_call()  local
2075 	desc_btf = find_kfunc_desc_btf(env, offset);  in add_kfunc_call()
2076 	if (IS_ERR(desc_btf)) {  in add_kfunc_call()
2078 		return PTR_ERR(desc_btf);  in add_kfunc_call()
2089 	func = btf_type_by_id(desc_btf, func_id);  in add_kfunc_call()
2095 	func_proto = btf_type_by_id(desc_btf, func->type);  in add_kfunc_call()
2102 	func_name = btf_name_by_offset(desc_btf, func->name_off);  in add_kfunc_call()
2122 	err = btf_distill_func_proto(&env->log, desc_btf,  in add_kfunc_call()
2539 	struct btf *desc_btf;  in disasm_kfunc_name()  local
2544 	desc_btf = find_kfunc_desc_btf(data, insn->off);  in disasm_kfunc_name()
2545 	if (IS_ERR(desc_btf))  in disasm_kfunc_name()
2548 	func = btf_type_by_id(desc_btf, insn->imm);  in disasm_kfunc_name()
2549 	return btf_name_by_offset(desc_btf, func->name_off);  in disasm_kfunc_name()
7680 	struct btf *desc_btf;  in check_kfunc_call()  local
7688 	desc_btf = find_kfunc_desc_btf(env, insn->off);  in check_kfunc_call()
7689 	if (IS_ERR(desc_btf))  in check_kfunc_call()
7690 		return PTR_ERR(desc_btf);  in check_kfunc_call()
7693 	func = btf_type_by_id(desc_btf, func_id);  in check_kfunc_call()
7694 	func_name = btf_name_by_offset(desc_btf, func->name_off);  in check_kfunc_call()
7695 	func_proto = btf_type_by_id(desc_btf, func->type);  in check_kfunc_call()
7697 	kfunc_flags = btf_kfunc_id_set_contains(desc_btf, resolve_prog_type(env->prog), func_id);  in check_kfunc_call()
7713 	err = btf_check_kfunc_arg_match(env, desc_btf, func_id, regs, &meta);  in check_kfunc_call()
7732 	t = btf_type_skip_modifiers(desc_btf, func_proto->type, NULL);  in check_kfunc_call()
7734 	if (acq && !btf_type_is_struct_ptr(desc_btf, t)) {  in check_kfunc_call()
7743 		ptr_type = btf_type_skip_modifiers(desc_btf, t->type,  in check_kfunc_call()
7747 				ptr_type_name = btf_name_by_offset(desc_btf,  in check_kfunc_call()
7769 			regs[BPF_REG_0].btf = desc_btf;  in check_kfunc_call()
7794 		t = btf_type_skip_modifiers(desc_btf, args[i].type, NULL);  in check_kfunc_call()