[patch 146/164] KVM: PPC: Do not create debugfs if fail to create vcpu

[Greg KH]

2.6.33-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wei Yongjun <yjwei@xxxxxxxxxxxxxx>

If fail to create the vcpu, we should not create the debugfs
for it.

Signed-off-by: Wei Yongjun <yjwei@xxxxxxxxxxxxxx>
Acked-by: Alexander Graf <agraf@xxxxxxx>
Cc: stable@xxxxxxxxxx
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
(cherry picked from commit 06056bfb944a0302a8f22eb45f09123de7fb417b)
---
 arch/powerpc/kvm/powerpc.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -181,7 +181,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(st
 {
 	struct kvm_vcpu *vcpu;
 	vcpu = kvmppc_core_vcpu_create(kvm, id);
-	kvmppc_create_vcpu_debugfs(vcpu, id);
+	if (!IS_ERR(vcpu))
+		kvmppc_create_vcpu_debugfs(vcpu, id);
 	return vcpu;
 }
 


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