Hi Vabhav, kernel test robot noticed the following build warnings: [auto build test WARNING on 9852d85ec9d492ebef56dc5f229416c925758edc] url: https://github.com/intel-lab-lkp/linux/commits/Vabhav-Sharma/dt-bindings-firmware-imx-add-nvmem-phandle/20241205-125909 base: 9852d85ec9d492ebef56dc5f229416c925758edc patch link: https://lore.kernel.org/r/20241205-secvio-v4-4-5c37cdc39573%40nxp.com patch subject: [PATCH v4 4/4] firmware: imx: secvio: Add support for SNVS secvio and tamper via SCFW config: nios2-randconfig-r063-20241205 (https://download.01.org/0day-ci/archive/20241206/202412060014.woL5otGn-lkp@xxxxxxxxx/config) compiler: nios2-linux-gcc (GCC) 14.2.0 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/202412060014.woL5otGn-lkp@xxxxxxxxx/ cocci warnings: (new ones prefixed by >>) >> drivers/firmware/imx/imx-scu-secvio.c:368:11-29: WARNING opportunity for simple_open, see also structure on line 419 vim +368 drivers/firmware/imx/imx-scu-secvio.c 367 > 368 static int imx_secvio_sc_open(struct inode *node, struct file *filp) 369 { 370 filp->private_data = node->i_private; 371 372 return 0; 373 } 374 375 static long imx_secvio_sc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 376 { 377 struct device *dev = file->private_data; 378 struct secvio_sc_notifier_info info; 379 int ret; 380 381 switch (cmd) { 382 case IMX_SECVIO_SC_GET_STATE: 383 ret = imx_secvio_sc_get_state(dev, &info); 384 if (ret) 385 return ret; 386 387 ret = copy_to_user((void __user *)arg, &info, sizeof(info)); 388 if (ret) { 389 dev_err(dev, "Fail to copy info to user\n"); 390 return -EFAULT; 391 } 392 break; 393 case IMX_SECVIO_SC_CHECK_STATE: 394 ret = imx_secvio_sc_check_state(dev); 395 if (ret) 396 return ret; 397 break; 398 case IMX_SECVIO_SC_CLEAR_STATE: 399 ret = copy_from_user(&info, (void __user *)arg, sizeof(info)); 400 if (ret) { 401 dev_err(dev, "Fail to copy info from user\n"); 402 return -EFAULT; 403 } 404 405 ret = imx_secvio_sc_clear_state(dev, info.hpsvs, info.lps, 406 info.lptds); 407 if (ret) 408 return ret; 409 break; 410 default: 411 ret = -ENOIOCTLCMD; 412 } 413 414 return ret; 415 } 416 417 static const struct file_operations imx_secvio_sc_fops = { 418 .owner = THIS_MODULE, > 419 .open = imx_secvio_sc_open, 420 .unlocked_ioctl = imx_secvio_sc_ioctl, 421 }; 422 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki