Messages in this thread | | | Date | Sat, 13 Aug 2022 13:32:30 +0800 | From | kernel test robot <> | Subject | arch/s390/kvm/pci.h:47:69: sparse: sparse: Using plain integer as NULL pointer |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 69dac8e431af26173ca0a1ebc87054e01c585bcc commit: 73f91b004321f2510fa79e66035dbbf1870fcf56 KVM: s390: pci: enable host forwarding of Adapter Event Notifications date: 5 weeks ago config: s390-randconfig-s053-20220811 (https://download.01.org/0day-ci/archive/20220813/202208131353.8ChUuYVb-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=73f91b004321f2510fa79e66035dbbf1870fcf56 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 73f91b004321f2510fa79e66035dbbf1870fcf56 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) arch/s390/kvm/interrupt.c: note: in included file: >> arch/s390/kvm/pci.h:47:69: sparse: sparse: Using plain integer as NULL pointer arch/s390/kvm/pci.h:48:32: sparse: sparse: Using plain integer as NULL pointer arch/s390/kvm/pci.h:49:24: sparse: sparse: Using plain integer as NULL pointer
vim +47 arch/s390/kvm/pci.h
43 44 static inline struct kvm *kvm_s390_pci_si_to_kvm(struct zpci_aift *aift, 45 unsigned long si) 46 { > 47 if (!IS_ENABLED(CONFIG_VFIO_PCI_ZDEV_KVM) || aift->kzdev == 0 || 48 aift->kzdev[si] == 0) 49 return 0; 50 return aift->kzdev[si]->kvm; 51 }; 52
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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