Hi Calvin, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.12-rc6 next-20241105] [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/Calvin-Owens/pps-Fix-a-use-after-free/20241105-155819 base: linus/master patch link: https://lore.kernel.org/r/abc43b18f21379c21a4d2c63372a04b2746be665.1730792731.git.calvin%40wbinvd.org patch subject: [PATCH v3] pps: Fix a use-after-free config: i386-buildonly-randconfig-004-20241105 (https://download.01.org/0day-ci/archive/20241106/202411060043.hC5KjYAw-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241106/202411060043.hC5KjYAw-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/202411060043.hC5KjYAw-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/ptp/ptp_ocp.c: In function 'ptp_ocp_complete': >> drivers/ptp/ptp_ocp.c:4423:40: error: incompatible type for argument 2 of 'ptp_ocp_symlink' 4423 | ptp_ocp_symlink(bp, pps->dev, "pps"); | ~~~^~~~~ | | | struct device drivers/ptp/ptp_ocp.c:4387:52: note: expected 'struct device *' but argument is of type 'struct device' 4387 | ptp_ocp_symlink(struct ptp_ocp *bp, struct device *child, const char *link) | ~~~~~~~~~~~~~~~^~~~~ vim +/ptp_ocp_symlink +4423 drivers/ptp/ptp_ocp.c 773bda96492153 Jonathan Lemon 2021-08-03 4411 773bda96492153 Jonathan Lemon 2021-08-03 4412 static int 773bda96492153 Jonathan Lemon 2021-08-03 4413 ptp_ocp_complete(struct ptp_ocp *bp) 773bda96492153 Jonathan Lemon 2021-08-03 4414 { 773bda96492153 Jonathan Lemon 2021-08-03 4415 struct pps_device *pps; 773bda96492153 Jonathan Lemon 2021-08-03 4416 char buf[32]; d7875b4b078f7e Vadim Fedorenko 2024-08-29 4417 773bda96492153 Jonathan Lemon 2021-08-03 4418 sprintf(buf, "ptp%d", ptp_clock_index(bp->ptp)); 773bda96492153 Jonathan Lemon 2021-08-03 4419 ptp_ocp_link_child(bp, buf, "ptp"); 773bda96492153 Jonathan Lemon 2021-08-03 4420 773bda96492153 Jonathan Lemon 2021-08-03 4421 pps = pps_lookup_dev(bp->ptp); 773bda96492153 Jonathan Lemon 2021-08-03 4422 if (pps) 773bda96492153 Jonathan Lemon 2021-08-03 @4423 ptp_ocp_symlink(bp, pps->dev, "pps"); 773bda96492153 Jonathan Lemon 2021-08-03 4424 f67bf662d2cffa Jonathan Lemon 2021-09-14 4425 ptp_ocp_debugfs_add_device(bp); f67bf662d2cffa Jonathan Lemon 2021-09-14 4426 773bda96492153 Jonathan Lemon 2021-08-03 4427 return 0; 773bda96492153 Jonathan Lemon 2021-08-03 4428 } 773bda96492153 Jonathan Lemon 2021-08-03 4429 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki