Hi Ma,
kernel test robot noticed the following build errors:
[auto build test ERROR on andi-shyti/i2c/i2c-host] [also build test ERROR on linus/master v6.17-rc7 next-20250926] [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/Ma-Ke/i2c-fix-reference-leak-... base: https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git i2c/i2c-host patch link: https://lore.kernel.org/r/20250927105729.19164-1-make24%40iscas.ac.cn patch subject: [PATCH] i2c: fix reference leak in MP2 PCI device config: i386-randconfig-011-20250928 (https://download.01.org/0day-ci/archive/20250928/202509281317.3OLDoUnB-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250928/202509281317.3OLDoUnB-lkp@i...)
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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202509281317.3OLDoUnB-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/i2c/busses/i2c-amd-mp2-pci.c:467:2: error: use of undeclared identifier 'mp2_dev'
467 | mp2_dev = (struct amd_mp2_dev *)pci_get_drvdata(pci_dev); | ^ drivers/i2c/busses/i2c-amd-mp2-pci.c:469:9: error: use of undeclared identifier 'mp2_dev'; did you mean 'pci_dev'? 469 | return mp2_dev; | ^~~~~~~ | pci_dev drivers/i2c/busses/i2c-amd-mp2-pci.c:460:18: note: 'pci_dev' declared here 460 | struct pci_dev *pci_dev; | ^
drivers/i2c/busses/i2c-amd-mp2-pci.c:469:9: error: incompatible pointer types returning 'struct pci_dev *' from a function with result type 'struct amd_mp2_dev *' [-Werror,-Wincompatible-pointer-types]
469 | return mp2_dev; | ^~~~~~~ 3 errors generated.
vim +/mp2_dev +467 drivers/i2c/busses/i2c-amd-mp2-pci.c
456 457 struct amd_mp2_dev *amd_mp2_find_device(void) 458 { 459 struct device *dev; 460 struct pci_dev *pci_dev; 461 462 dev = driver_find_next_device(&amd_mp2_pci_driver.driver, NULL); 463 if (!dev) 464 return NULL; 465 466 pci_dev = to_pci_dev(dev);
467 mp2_dev = (struct amd_mp2_dev *)pci_get_drvdata(pci_dev);
468 put_device(dev);
469 return mp2_dev;
470 } 471 EXPORT_SYMBOL_GPL(amd_mp2_find_device); 472