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>
 
 static inline int irqchip_in_kernel(struct kvm *kvm)
 {
-       return pic_irqchip(kvm) != 0;
+       return pic_irqchip(kvm) != NULL;
 }
 
 struct descriptor_table {
 
 
        /* 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;
 
                       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;