Hi Viken, kernel test robot noticed the following build warnings: [auto build test WARNING on tty/tty-testing] [also build test WARNING on tty/tty-next tty/tty-linus usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.14-rc5 next-20250304] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Viken-Dadhaniya/serial-qcom-geni-Remove-alias-dependency-from-qcom-serial-driver/20250304-152222 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing patch link: https://lore.kernel.org/r/20250304071423.4033565-1-quic_vdadhani%40quicinc.com patch subject: [PATCH v1] serial: qcom-geni: Remove alias dependency from qcom serial driver config: x86_64-buildonly-randconfig-006-20250305 (https://download.01.org/0day-ci/archive/20250305/202503051821.tqFJ961p-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250305/202503051821.tqFJ961p-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503051821.tqFJ961p-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/tty/serial/qcom_geni_serial.c:267:40: warning: variable 'port' is uninitialized when used here [-Wuninitialized] 267 | line = idr_alloc(&port_idr, (void *)port, max_alias_num + 1, nr_ports, | ^~~~ drivers/tty/serial/qcom_geni_serial.c:255:36: note: initialize the variable 'port' to silence this warning 255 | struct qcom_geni_serial_port *port; | ^ | = NULL 1 warning generated. vim +/port +267 drivers/tty/serial/qcom_geni_serial.c 252 253 static struct qcom_geni_serial_port *get_port_from_line(int line, bool console) 254 { 255 struct qcom_geni_serial_port *port; 256 int nr_ports = console ? GENI_UART_CONS_PORTS : GENI_UART_PORTS; 257 258 if (console) { 259 if (line < 0 || line >= nr_ports) 260 return ERR_PTR(-ENXIO); 261 262 port = &qcom_geni_console_port; 263 } else { 264 int max_alias_num = of_alias_get_highest_id("serial"); 265 266 if (line < 0 || line >= nr_ports) > 267 line = idr_alloc(&port_idr, (void *)port, max_alias_num + 1, nr_ports, 268 GFP_KERNEL); 269 else 270 line = idr_alloc(&port_idr, (void *)port, line, nr_ports, GFP_KERNEL); 271 272 if (line < 0) 273 return ERR_PTR(-ENXIO); 274 275 port = &qcom_geni_uart_ports[line]; 276 } 277 return port; 278 } 279 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
