[GIT PULL 1/4] KVM: s390: pci: fix plain integer as NULL pointer warnings

Janosch Frank
2022-09-23T12:10:40Z

Fix some sparse warnings that a plain integer 0 is being used instead of
NULL.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Link: https://lore.kernel.org/r/20220915175514.167899-1-mjrosato@linux.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
---
arch/s390/kvm/pci.c | 4 ++--
arch/s390/kvm/pci.h | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/s390/kvm/pci.c b/arch/s390/kvm/pci.c
index bb8c335d17b9..3c12637ce08c 100644
--- a/arch/s390/kvm/pci.c
+++ b/arch/s390/kvm/pci.c
@@ -58,7 +58,7 @@ static int zpci_setup_aipb(u8 nisc)
if (!zpci_aipb)
return -ENOMEM;

- aift->sbv = airq_iv_create(ZPCI_NR_DEVICES, AIRQ_IV_ALLOC, 0);
+ aift->sbv = airq_iv_create(ZPCI_NR_DEVICES, AIRQ_IV_ALLOC, NULL);
if (!aift->sbv) {
rc = -ENOMEM;
goto free_aipb;
@@ -373,7 +373,7 @@ static int kvm_s390_pci_aif_disable(struct zpci_dev *zdev, bool force)
gaite->gisc = 0;
gaite->aisbo = 0;
gaite->gisa = 0;
- aift->kzdev[zdev->aisb] = 0;
+ aift->kzdev[zdev->aisb] = NULL;
/* Clear zdev info */
airq_iv_free_bit(aift->sbv, zdev->aisb);
airq_iv_release(zdev->aibv);
diff --git a/arch/s390/kvm/pci.h b/arch/s390/kvm/pci.h
index 3a3606c3a0fe..486d06ef563f 100644
--- a/arch/s390/kvm/pci.h
+++ b/arch/s390/kvm/pci.h
@@ -46,9 +46,9 @@ extern struct zpci_aift *aift;
static inline struct kvm *kvm_s390_pci_si_to_kvm(struct zpci_aift *aift,
unsigned long si)
{
- if (!IS_ENABLED(CONFIG_VFIO_PCI_ZDEV_KVM) || aift->kzdev == 0 ||
- aift->kzdev[si] == 0)
- return 0;
+ if (!IS_ENABLED(CONFIG_VFIO_PCI_ZDEV_KVM) || !aift->kzdev ||
+ !aift->kzdev[si])
+ return NULL;
return aift->kzdev[si]->kvm;
};

--
2.37.3