linux-kernel - [PATCH linux-next] KVM: s390: pci: fix comparing pointer to 0

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Date:   Sun, 18 Sep 2022 14:36:04 +0000
From:   cgel.zte@...il.com
To:     mjrosato@...ux.ibm.com
Cc:     farman@...ux.ibm.com, borntraeger@...ux.ibm.com,
        frankja@...ux.ibm.com, imbrenda@...ux.ibm.com, david@...hat.com,
        hca@...ux.ibm.com, gor@...ux.ibm.com, agordeev@...ux.ibm.com,
        svens@...ux.ibm.com, linux-s390@...r.kernel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Xu Panda <xu.panda@....com.cn>, Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] KVM: s390: pci: fix comparing pointer to 0

From: Xu Panda <xu.panda@....com.cn>

Comparing pointer whith NULL instead of comparing pointer to 0.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Xu Panda <xu.panda@....com.cn>
---
 arch/s390/kvm/pci.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/kvm/pci.h b/arch/s390/kvm/pci.h
index 3a3606c3a0fe..aadafa2e03d1 100644
--- a/arch/s390/kvm/pci.h
+++ b/arch/s390/kvm/pci.h
@@ -46,8 +46,8 @@ 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)
+       if (!IS_ENABLED(CONFIG_VFIO_PCI_ZDEV_KVM) || aift->kzdev == NULL ||
+           aift->kzdev[si] == NULL)
                return 0;
        return aift->kzdev[si]->kvm;
 };
-- 
2.15.2