tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10 head: 055c73913dc220e483790c1ebf78b39f97220dac commit: 98e43a40b551c910efd7c6afaa32b66c67d22dc4 [99/235] UPSTREAM: usb: typec: Port mapping utility config: x86_64-randconfig-m031-20211203 (https://download.01.org/0day-ci/archive/20211207/202112070413.0XcllZat-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com&gt; smatch warnings: drivers/usb/typec/port-mapper.c:168 typec_link_port() warn: missing error code 'ret' vim +/ret +168 drivers/usb/typec/port-mapper.c 98e43a40b551c9 Heikki Krogerus 2021-04-07 156 int typec_link_port(struct device *port) 98e43a40b551c9 Heikki Krogerus 2021-04-07 157 { 98e43a40b551c9 Heikki Krogerus 2021-04-07 158 struct device *connector; 98e43a40b551c9 Heikki Krogerus 2021-04-07 159 struct port_node *node; 98e43a40b551c9 Heikki Krogerus 2021-04-07 160 int ret = 0; 98e43a40b551c9 Heikki Krogerus 2021-04-07 161 98e43a40b551c9 Heikki Krogerus 2021-04-07 162 node = create_port_node(port); 98e43a40b551c9 Heikki Krogerus 2021-04-07 163 if (IS_ERR(node)) 98e43a40b551c9 Heikki Krogerus 2021-04-07 164 return PTR_ERR(node); 98e43a40b551c9 Heikki Krogerus 2021-04-07 165 98e43a40b551c9 Heikki Krogerus 2021-04-07 166 connector = find_connector(node); 98e43a40b551c9 Heikki Krogerus 2021-04-07 167 if (!connector) 98e43a40b551c9 Heikki Krogerus 2021-04-07 @168 goto remove_node; Should there be an error code on this path? 98e43a40b551c9 Heikki Krogerus 2021-04-07 169 98e43a40b551c9 Heikki Krogerus 2021-04-07 170 ret = link_port(to_typec_port(connector), node); 98e43a40b551c9 Heikki Krogerus 2021-04-07 171 if (ret) 98e43a40b551c9 Heikki Krogerus 2021-04-07 172 goto put_connector; 98e43a40b551c9 Heikki Krogerus 2021-04-07 173 98e43a40b551c9 Heikki Krogerus 2021-04-07 174 return 0; 98e43a40b551c9 Heikki Krogerus 2021-04-07 175 98e43a40b551c9 Heikki Krogerus 2021-04-07 176 put_connector: 98e43a40b551c9 Heikki Krogerus 2021-04-07 177 put_device(connector); 98e43a40b551c9 Heikki Krogerus 2021-04-07 178 remove_node: 98e43a40b551c9 Heikki Krogerus 2021-04-07 179 remove_port_node(node); 98e43a40b551c9 Heikki Krogerus 2021-04-07 180 98e43a40b551c9 Heikki Krogerus 2021-04-07 181 return ret; 98e43a40b551c9 Heikki Krogerus 2021-04-07 182 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org