autofs4: fix incorrect return from root.c:try_to_fill_dentry()

[linux-2.6] / virt / kvm / kvm_main.c

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0998455749019051460e35d69a22ed40310ed6ef..c82cf15730a1e85c751483f75944e8905c0baa10 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -60,7 +60,7 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_cache);
 
 static __read_mostly struct preempt_ops kvm_preempt_ops;
 
-struct dentry *debugfs_dir;
+struct dentry *kvm_debugfs_dir;
 
 static long kvm_vcpu_ioctl(struct file *file, unsigned int ioctl,
                           unsigned long arg);
@@ -818,7 +818,7 @@ static int kvm_vcpu_release(struct inode *inode, struct file *filp)
 {
        struct kvm_vcpu *vcpu = filp->private_data;
 
-       fput(vcpu->kvm->filp);
+       kvm_put_kvm(vcpu->kvm);
        return 0;
 }
 
@@ -840,9 +840,10 @@ static int create_vcpu_fd(struct kvm_vcpu *vcpu)
 
        r = anon_inode_getfd(&fd, &inode, &file,
                             "kvm-vcpu", &kvm_vcpu_fops, vcpu);
-       if (r)
+       if (r) {
+               kvm_put_kvm(vcpu->kvm);
                return r;
-       atomic_inc(&vcpu->kvm->filp->f_count);
+       }
        return fd;
 }
 
@@ -877,6 +878,7 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, int n)
        mutex_unlock(&kvm->lock);
 
        /* Now it's all set up, let userspace reach it */
+       kvm_get_kvm(kvm);
        r = create_vcpu_fd(vcpu);
        if (r < 0)
                goto unlink;
@@ -1176,12 +1178,10 @@ static int kvm_dev_ioctl_create_vm(void)
                return PTR_ERR(kvm);
        r = anon_inode_getfd(&fd, &inode, &file, "kvm-vm", &kvm_vm_fops, kvm);
        if (r) {
-               kvm_destroy_vm(kvm);
+               kvm_put_kvm(kvm);
                return r;
        }
 
-       kvm->filp = file;
-
        return fd;
 }
 
@@ -1392,9 +1392,9 @@ static void kvm_init_debug(void)
 {
        struct kvm_stats_debugfs_item *p;
 
-       debugfs_dir = debugfs_create_dir("kvm", NULL);
+       kvm_debugfs_dir = debugfs_create_dir("kvm", NULL);
        for (p = debugfs_entries; p->name; ++p)
-               p->dentry = debugfs_create_file(p->name, 0444, debugfs_dir,
+               p->dentry = debugfs_create_file(p->name, 0444, kvm_debugfs_dir,
                                                (void *)(long)p->offset,
                                                stat_fops[p->kind]);
 }
@@ -1405,7 +1405,7 @@ static void kvm_exit_debug(void)
 
        for (p = debugfs_entries; p->name; ++p)
                debugfs_remove(p->dentry);
-       debugfs_remove(debugfs_dir);
+       debugfs_remove(kvm_debugfs_dir);
 }
 
 static int kvm_suspend(struct sys_device *dev, pm_message_t state)