linux-kernel - [patch 133/149] KVM: PPC: Do not create debugfs if fail to create vcpu

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Message-Id: <20100701173218.037624312@clark.site>
Date:	Thu, 01 Jul 2010 10:32:39 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Wei Yongjun <yjwei@...fujitsu.com>,
	Alexander Graf <agraf@...e.de>, Avi Kivity <avi@...hat.com>
Subject: [patch 133/149] KVM: PPC: Do not create debugfs if fail to create vcpu

2.6.32-stable review patch.  If anyone has any objections, please let us know.

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

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

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

Signed-off-by: Wei Yongjun <yjwei@...fujitsu.com>
Acked-by: Alexander Graf <agraf@...e.de>
Cc: stable@...nel.org
Signed-off-by: Avi Kivity <avi@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.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
@@ -176,7 +176,8 @@ 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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