| Date | Thu, 01 Jul 2010 10:32:38 -0700 | From | Greg KH <> | Subject | [patch 132/149] KVM: s390: Fix possible memory leak of in kvm_arch_vcpu_create() |
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2.6.32-stable review patch. If anyone has any objections, please let us know.
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From: Wei Yongjun <yjwei@cn.fujitsu.com>
This patch fixed possible memory leak in kvm_arch_vcpu_create() under s390, which would happen when kvm_arch_vcpu_create() fails.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Acked-by: Carsten Otte <cotte@de.ibm.com> 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 7b06bf2ffa15e119c7439ed0b024d44f66d7b605) --- arch/s390/kvm/kvm-s390.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -338,11 +338,13 @@ struct kvm_vcpu *kvm_arch_vcpu_create(st rc = kvm_vcpu_init(vcpu, kvm, id); if (rc) - goto out_free_cpu; + goto out_free_sie_block; VM_EVENT(kvm, 3, "create cpu %d at %p, sie block at %p", id, vcpu, vcpu->arch.sie_block); return vcpu; +out_free_sie_block: + free_page((unsigned long)(vcpu->arch.sie_block)); out_free_cpu: kfree(vcpu); out_nomem:
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