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KVM: PPC: Fix vcpu_create dereference before validity check.
author
Matt Evans
<matt@ozlabs.org>
Tue, 6 Dec 2011 21:19:42 +0000
(21:19 +0000)
committer
Avi Kivity
<avi@redhat.com>
Mon, 5 Mar 2012 12:52:38 +0000
(14:52 +0200)
Fix usage of vcpu struct before check that it's actually valid.
Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/powerpc/kvm/powerpc.c
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diff --git
a/arch/powerpc/kvm/powerpc.c
b/arch/powerpc/kvm/powerpc.c
index
06e955b
..
2517103
100644
(file)
--- a/
arch/powerpc/kvm/powerpc.c
+++ b/
arch/powerpc/kvm/powerpc.c
@@
-289,9
+289,10
@@
struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
{
struct kvm_vcpu *vcpu;
vcpu = kvmppc_core_vcpu_create(kvm, id);
- vcpu->arch.wqp = &vcpu->wq;
- if (!IS_ERR(vcpu))
+ if (!IS_ERR(vcpu)) {
+ vcpu->arch.wqp = &vcpu->wq;
kvmppc_create_vcpu_debugfs(vcpu, id);
+ }
return vcpu;
}