From: Joe Perches <joe@perches.com>
Date: Tue, 13 Nov 2007 04:06:51 +0000 (-0800)
Subject: KVM: Remove ptr comparisons to 0
X-Git-Tag: v2.6.25-rc1~1138^2~143
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56919c5c97aa07b150311c5c9802af07872ee2b0;p=linux-2.6

KVM: Remove ptr comparisons to 0

Fix sparse warnings "Using plain integer as NULL pointer"

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index e34e246eaf..c4ad66bb5e 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -398,7 +398,7 @@ 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 3946025f3d..7335435f52 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -1449,7 +1449,8 @@ int kvm_init(void *opaque, 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/svm.c b/drivers/kvm/svm.c
index 0ccbef1847..a1a7f39ff3 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -1271,7 +1271,7 @@ 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;