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 e34e246..c4ad66b 100644 (file)
--- 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 3946025..7335435 100644 (file)
--- 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 0ccbef1..a1a7f39 100644 (file)
--- 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;