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Message-Id: <1194926811.9407.61.camel@localhost>
Date: Mon, 12 Nov 2007 20:06:51 -0800
From: Joe Perches <joe@...ches.com>
To: Avi Kivity <avi@...ranet.com>
Cc: kvm-devel@...ts.sourceforge.net,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] - drivers/kvm/* - remove ptr comparisons to 0
fix sparse warnings "Using plain integer as NULL pointer"
Signed-off-by: Joe Perches <joe@...ches.com>
---
drivers/kvm/kvm.h | 2 +-
drivers/kvm/kvm_main.c | 3 ++-
drivers/kvm/lapic.c | 2 +-
drivers/kvm/svm.c | 2 +-
4 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 3b0bc4b..f572a81 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -433,7 +433,7 @@ static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm)
static inline int irqchip_in_kernel(struct kvm *kvm)
{
- return pic_irqchip(kvm) != 0;
+ return pic_irqchip(kvm) != NULL;
}
struct descriptor_table {
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 07ae280..e06beaf 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -3535,7 +3535,8 @@ int kvm_init_x86(struct kvm_x86_ops *ops, unsigned int vcpu_size,
/* A kmem cache lets us meet the alignment requirements of fx_save. */
kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size,
- __alignof__(struct kvm_vcpu), 0, 0);
+ __alignof__(struct kvm_vcpu),
+ 0, NULL);
if (!kvm_vcpu_cache) {
r = -ENOMEM;
goto out_free_4;
diff --git a/drivers/kvm/lapic.c b/drivers/kvm/lapic.c
index 238fcad..274b07e 100644
--- a/drivers/kvm/lapic.c
+++ b/drivers/kvm/lapic.c
@@ -771,7 +771,7 @@ void kvm_free_apic(struct kvm_lapic *apic)
if (apic->regs_page) {
__free_page(apic->regs_page);
- apic->regs_page = 0;
+ apic->regs_page = NULL;
}
kfree(apic);
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 729f1cd..6c7c797 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -1282,7 +1282,7 @@ static int handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
exit_code);
if (exit_code >= ARRAY_SIZE(svm_exit_handlers)
- || svm_exit_handlers[exit_code] == 0) {
+ || !svm_exit_handlers[exit_code]) {
kvm_run->exit_reason = KVM_EXIT_UNKNOWN;
kvm_run->hw.hardware_exit_reason = exit_code;
return 0;
-
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