From: kernel test robot <lkp@intel.com>
To: Matthew Rosato <mjrosato@linux.ibm.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Pierre Morel <pmorel@linux.ibm.com>
Subject: arch/s390/kvm/pci.h:47:69: sparse: sparse: Using plain integer as NULL pointer
Date: Sat, 13 Aug 2022 13:32:30 +0800 [thread overview]
Message-ID: <202208131353.8ChUuYVb-lkp@intel.com> (raw)
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
reply other threads:[~2022-08-13 5:34 UTC|newest]
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