KVM: s390: Fix possible memory leak of in kvm_arch_vcpu_create()

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 <[email protected]> Acked-by: Carsten Otte <[email protected]> Cc: [email protected] Signed-off-by: Avi Kivity <[email protected]>
koenkooi · May 17, 2010 · 7b06bf2 · 7b06bf2
1 parent 835e6b8
commit 7b06bf2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
@@ -341,11 +341,13 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
 
 	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: