Merge tag 'kvm-4.11-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[sfrench/cifs-2.6.git] / virt / kvm / kvm_main.c
index 799499417f5b9843bb72272b4c6963375e879bc9..a17d78759727f352991a97b4c2bed21266657760 100644 (file)
@@ -619,7 +619,7 @@ static struct kvm *kvm_create_vm(unsigned long type)
        mutex_init(&kvm->lock);
        mutex_init(&kvm->irq_lock);
        mutex_init(&kvm->slots_lock);
-       atomic_set(&kvm->users_count, 1);
+       refcount_set(&kvm->users_count, 1);
        INIT_LIST_HEAD(&kvm->devices);
 
        r = kvm_arch_init_vm(kvm, type);
@@ -749,13 +749,13 @@ static void kvm_destroy_vm(struct kvm *kvm)
 
 void kvm_get_kvm(struct kvm *kvm)
 {
-       atomic_inc(&kvm->users_count);
+       refcount_inc(&kvm->users_count);
 }
 EXPORT_SYMBOL_GPL(kvm_get_kvm);
 
 void kvm_put_kvm(struct kvm *kvm)
 {
-       if (atomic_dec_and_test(&kvm->users_count))
+       if (refcount_dec_and_test(&kvm->users_count))
                kvm_destroy_vm(kvm);
 }
 EXPORT_SYMBOL_GPL(kvm_put_kvm);
@@ -3641,7 +3641,7 @@ static int kvm_debugfs_open(struct inode *inode, struct file *file,
         * To avoid the race between open and the removal of the debugfs
         * directory we test against the users count.
         */
-       if (!atomic_add_unless(&stat_data->kvm->users_count, 1, 0))
+       if (!refcount_inc_not_zero(&stat_data->kvm->users_count))
                return -ENOENT;
 
        if (simple_attr_open(inode, file, get, set, fmt)) {