Fixes for the 3.12 debugfs problem---removing the duplicate directory

name, and using a better the error code.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "Fixes for the 3.12 debugfs problem - removing the duplicate directory
  name, and using a better the error code"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: use a more sensible error number when debugfs directory creation fails
  KVM: Fix modprobe failure for kvm_intel/kvm_amd

arch/x86/kernel/kvm.c

@@ -609,7 +609,7 @@ static struct dentry *d_kvm_debug;
 
 struct dentry *kvm_init_debugfs(void)
 {
-	d_kvm_debug = debugfs_create_dir("kvm", NULL);
+	d_kvm_debug = debugfs_create_dir("kvm-guest", NULL);
 	if (!d_kvm_debug)
 		printk(KERN_WARNING "Could not create 'kvm' debugfs directory\n");
 

virt/kvm/kvm_main.c

@@ -3091,7 +3091,7 @@ static const struct file_operations *stat_fops[] = {
 
 static int kvm_init_debug(void)
 {
-	int r = -EFAULT;
+	int r = -EEXIST;
 	struct kvm_stats_debugfs_item *p;
 
 	kvm_debugfs_dir = debugfs_create_dir("kvm", NULL);