CC: kbuild-all(a)lists.01.org BCC: lkp(a)intel.com CC: linux-kernel(a)vger.kernel.org TO: Bartosz Golaszewski <brgl(a)bgdev.pl&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 787af64d05cd528aac9ad16752d11bb1c6061bb9 commit: cb8c474e79be458f58e9df073f51ca159f3a2aa0 gpio: sim: new testing module date: 3 months ago :::::: branch date: 23 hours ago :::::: commit date: 3 months ago compiler: ia64-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; cppcheck possible warnings: (new ones prefixed by >>, may not real problems) list_for_each_entry(event, &acpi_gpio->events, node) ^ -- fwnode_for_each_child_node(swnode, child) ^ vim +839 drivers/gpio/gpio-sim.c cb8c474e79be45 Bartosz Golaszewski 2021-12-07 834 cb8c474e79be45 Bartosz Golaszewski 2021-12-07 835 static void gpio_sim_remove_swnode_recursive(struct fwnode_handle *swnode) cb8c474e79be45 Bartosz Golaszewski 2021-12-07 836 { cb8c474e79be45 Bartosz Golaszewski 2021-12-07 837 struct fwnode_handle *child; cb8c474e79be45 Bartosz Golaszewski 2021-12-07 838 cb8c474e79be45 Bartosz Golaszewski 2021-12-07 @839 fwnode_for_each_child_node(swnode, child) cb8c474e79be45 Bartosz Golaszewski 2021-12-07 840 fwnode_remove_software_node(child); cb8c474e79be45 Bartosz Golaszewski 2021-12-07 841 cb8c474e79be45 Bartosz Golaszewski 2021-12-07 842 fwnode_remove_software_node(swnode); cb8c474e79be45 Bartosz Golaszewski 2021-12-07 843 } cb8c474e79be45 Bartosz Golaszewski 2021-12-07 844 -- 0-DAY CI Kernel Test Service https://01.org/lkp