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-rw-r--r--arch/s390/kvm/kvm-s390.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index dc2b580e27bc..0cba935d1282 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -312,11 +312,17 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
312struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, 312struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
313 unsigned int id) 313 unsigned int id)
314{ 314{
315 struct kvm_vcpu *vcpu = kzalloc(sizeof(struct kvm_vcpu), GFP_KERNEL); 315 struct kvm_vcpu *vcpu;
316 int rc = -ENOMEM; 316 int rc = -EINVAL;
317
318 if (id >= KVM_MAX_VCPUS)
319 goto out;
320
321 rc = -ENOMEM;
317 322
323 vcpu = kzalloc(sizeof(struct kvm_vcpu), GFP_KERNEL);
318 if (!vcpu) 324 if (!vcpu)
319 goto out_nomem; 325 goto out;
320 326
321 vcpu->arch.sie_block = (struct kvm_s390_sie_block *) 327 vcpu->arch.sie_block = (struct kvm_s390_sie_block *)
322 get_zeroed_page(GFP_KERNEL); 328 get_zeroed_page(GFP_KERNEL);
@@ -352,7 +358,7 @@ out_free_sie_block:
352 free_page((unsigned long)(vcpu->arch.sie_block)); 358 free_page((unsigned long)(vcpu->arch.sie_block));
353out_free_cpu: 359out_free_cpu:
354 kfree(vcpu); 360 kfree(vcpu);
355out_nomem: 361out:
356 return ERR_PTR(rc); 362 return ERR_PTR(rc);
357} 363}
358 364