Hi Dan, url: https://github.com/0day-ci/linux/commits/Dan-Murphy/dt-bindings-power-Add-the-bq25790-dt-bindings/20200730-225910 base: https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next config: x86_64-randconfig-m001-20200731 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Reported-by: Dan Carpenter smatch warnings: drivers/power/supply/bq25790_charger.c:170 bq25790_usb_work() warn: ignoring unreachable code. drivers/power/supply/bq25790_charger.c:624 bq25790_get_property() warn: should this be a bitwise op? drivers/power/supply/bq25790_charger.c:904 bq25790_hw_init() error: buffer overflow 'bq25790_watchdog_time' 8 <= 8 # https://github.com/0day-ci/linux/commit/e5cf0f04730928b191aff54ab64bdd2167b2ecd4 git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout e5cf0f04730928b191aff54ab64bdd2167b2ecd4 vim +170 drivers/power/supply/bq25790_charger.c e5cf0f04730928 Dan Murphy 2020-07-30 154 static void bq25790_usb_work(struct work_struct *data) e5cf0f04730928 Dan Murphy 2020-07-30 155 { e5cf0f04730928 Dan Murphy 2020-07-30 156 struct bq25790_device *bq = e5cf0f04730928 Dan Murphy 2020-07-30 157 container_of(data, struct bq25790_device, usb_work); e5cf0f04730928 Dan Murphy 2020-07-30 158 e5cf0f04730928 Dan Murphy 2020-07-30 159 switch (bq->usb_event) { e5cf0f04730928 Dan Murphy 2020-07-30 160 case USB_EVENT_ID: e5cf0f04730928 Dan Murphy 2020-07-30 161 break; e5cf0f04730928 Dan Murphy 2020-07-30 162 e5cf0f04730928 Dan Murphy 2020-07-30 163 case USB_EVENT_NONE: e5cf0f04730928 Dan Murphy 2020-07-30 164 power_supply_changed(bq->charger); e5cf0f04730928 Dan Murphy 2020-07-30 165 break; e5cf0f04730928 Dan Murphy 2020-07-30 166 } e5cf0f04730928 Dan Murphy 2020-07-30 167 e5cf0f04730928 Dan Murphy 2020-07-30 168 return; ^^^^^^ e5cf0f04730928 Dan Murphy 2020-07-30 169 e5cf0f04730928 Dan Murphy 2020-07-30 @170 dev_err(bq->dev, "Error switching to charger mode.\n"); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Unreachable. e5cf0f04730928 Dan Murphy 2020-07-30 171 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org