3143 	struct btf *desc_btf;  in add_kfunc_call()  local
3194 	desc_btf = find_kfunc_desc_btf(env, offset);  in add_kfunc_call()
3195 	if (IS_ERR(desc_btf)) {  in add_kfunc_call()
3197 		return PTR_ERR(desc_btf);  in add_kfunc_call()
3208 	func = btf_type_by_id(desc_btf, func_id);  in add_kfunc_call()
3214 	func_proto = btf_type_by_id(desc_btf, func->type);  in add_kfunc_call()
3221 	func_name = btf_name_by_offset(desc_btf, func->name_off);  in add_kfunc_call()
3253 	err = btf_distill_func_proto(&env->log, desc_btf,  in add_kfunc_call()
3939 	struct btf *desc_btf;  in disasm_kfunc_name()  local
3944 	desc_btf = find_kfunc_desc_btf(data, insn->off);  in disasm_kfunc_name()
3945 	if (IS_ERR(desc_btf))  in disasm_kfunc_name()
3948 	func = btf_type_by_id(desc_btf, insn->imm);  in disasm_kfunc_name()
3949 	return btf_name_by_offset(desc_btf, func->name_off);  in disasm_kfunc_name()
13389 	struct btf *desc_btf;  in fetch_kfunc_meta()  local
13397 	desc_btf = find_kfunc_desc_btf(env, insn->off);  in fetch_kfunc_meta()
13398 	if (IS_ERR(desc_btf))  in fetch_kfunc_meta()
13399 		return PTR_ERR(desc_btf);  in fetch_kfunc_meta()
13402 	func = btf_type_by_id(desc_btf, func_id);  in fetch_kfunc_meta()
13403 	func_name = btf_name_by_offset(desc_btf, func->name_off);  in fetch_kfunc_meta()
13406 	func_proto = btf_type_by_id(desc_btf, func->type);  in fetch_kfunc_meta()
13408 	kfunc_flags = btf_kfunc_id_set_contains(desc_btf, func_id, env->prog);  in fetch_kfunc_meta()
13414 	meta->btf = desc_btf;  in fetch_kfunc_meta()
13438 	struct btf *desc_btf;  in check_kfunc_call()  local
13449 	desc_btf = meta.btf;  in check_kfunc_call()
13636 	t = btf_type_skip_modifiers(desc_btf, meta.func_proto->type, NULL);  in check_kfunc_call()
13656 		ptr_type = btf_type_skip_modifiers(desc_btf, t->type, &ptr_type_id);  in check_kfunc_call()
13761 				regs[BPF_REG_0].btf = desc_btf;  in check_kfunc_call()
13764 				ret_t = btf_type_by_id(desc_btf, meta.arg_constant.value);  in check_kfunc_call()
13773 				regs[BPF_REG_0].btf = desc_btf;  in check_kfunc_call()
13823 				if (!IS_ERR(btf_resolve_size(desc_btf, ptr_type, &sz))) {  in check_kfunc_call()
13829 				ptr_type_name = btf_name_by_offset(desc_btf,  in check_kfunc_call()
13851 			regs[BPF_REG_0].btf = desc_btf;  in check_kfunc_call()
13906 		t = btf_type_skip_modifiers(desc_btf, args[i].type, NULL);  in check_kfunc_call()