[185/200] KVM: PPC: Do not create debugfs if fail to create vcpu

Greg KH
2010-07-01T21:30:06Z

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

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

From: Wei Yongjun <yjwei@cn.fujitsu.com>

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

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Alexander Graf <agraf@suse.de>
Cc: stable@kernel.org
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

(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
@@ -193,7 +193,8 @@ 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;
}