Hi Li, https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Li-Chen/add-struct-page-and-Direct-I-O-support-to-reserved-memory/20220711-202957 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: nios2-randconfig-m031-20220717 (https://download.01.org/0day-ci/archive/20220718/202207181758.YyEzUSPl-lkp@xxxxxxxxx/config) compiler: nios2-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: drivers/of/of_reserved_mem.c:472 get_reserved_mem_from_dev() error: passing non negative 22 to ERR_PTR vim +472 drivers/of/of_reserved_mem.c 8b66b4b9614f1c7 Li Chen 2022-07-11 457 struct reserved_mem *get_reserved_mem_from_dev(struct device *dev) 8b66b4b9614f1c7 Li Chen 2022-07-11 458 { 8b66b4b9614f1c7 Li Chen 2022-07-11 459 struct device_node *np = dev_of_node(dev); 8b66b4b9614f1c7 Li Chen 2022-07-11 460 struct device_node *rmem_np; 8b66b4b9614f1c7 Li Chen 2022-07-11 461 struct reserved_mem *rmem = NULL; 8b66b4b9614f1c7 Li Chen 2022-07-11 462 8b66b4b9614f1c7 Li Chen 2022-07-11 463 rmem_np = of_parse_phandle(np, "memory-region", 0); 8b66b4b9614f1c7 Li Chen 2022-07-11 464 if (!rmem_np) { 8b66b4b9614f1c7 Li Chen 2022-07-11 465 dev_err(dev, "failed to get memory region node\n"); 8b66b4b9614f1c7 Li Chen 2022-07-11 466 return ERR_PTR(-ENODEV); 8b66b4b9614f1c7 Li Chen 2022-07-11 467 } 8b66b4b9614f1c7 Li Chen 2022-07-11 468 8b66b4b9614f1c7 Li Chen 2022-07-11 469 rmem = of_reserved_mem_lookup(rmem_np); 8b66b4b9614f1c7 Li Chen 2022-07-11 470 if (!rmem) { 8b66b4b9614f1c7 Li Chen 2022-07-11 471 dev_err(dev, "Failed to lookup reserved memory\n"); 8b66b4b9614f1c7 Li Chen 2022-07-11 @472 return ERR_PTR(EINVAL); Missing - character on -EINVAL. 8b66b4b9614f1c7 Li Chen 2022-07-11 473 } 8b66b4b9614f1c7 Li Chen 2022-07-11 474 return rmem; 8b66b4b9614f1c7 Li Chen 2022-07-11 475 } -- 0-DAY CI Kernel Test Service https://01.org/lkp
