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KVM: s390: cleanup jump lables in kvm_arch_init_vm 

As all cleanup functions can handle their respective NULL case
there is no need to have more than one error jump label.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Dominik Dingel 2015-03-12 13:55:53 +01:00 committed by Christian Borntraeger
parent 1e8d242478
commit 40f5b735e8
1 changed files with 8 additions and 12 deletions
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20
arch/s390/kvm/kvm-s390.c
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@ -897,7 +897,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
kvm->arch.dbf = debug_register(debug_name, 8, 2, 8 * sizeof(long));
if (!kvm->arch.dbf)
goto out_nodbf;
goto out_err;
/*
* The architectural maximum amount of facilities is 16 kbit. To store
@ -909,7 +909,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
kvm->arch.model.fac =
(struct kvm_s390_fac *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!kvm->arch.model.fac)
goto out_nofac;
goto out_err;
/* Populate the facility mask initially. */
memcpy(kvm->arch.model.fac->mask, S390_lowcore.stfle_fac_list,
@ -929,7 +929,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
kvm->arch.model.ibc = sclp_get_ibc() & 0x0fff;
if (kvm_s390_crypto_init(kvm) < 0)
goto out_crypto;
goto out_err;
spin_lock_init(&kvm->arch.float_int.lock);
INIT_LIST_HEAD(&kvm->arch.float_int.list);
@ -944,7 +944,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
} else {
kvm->arch.gmap = gmap_alloc(current->mm, (1UL << 44) - 1);
if (!kvm->arch.gmap)
goto out_nogmap;
goto out_err;
kvm->arch.gmap->private = kvm;
kvm->arch.gmap->pfault_enabled = 0;
}
@ -957,15 +957,11 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
spin_lock_init(&kvm->arch.start_stop_lock);
return 0;
out_nogmap:
kfree(kvm->arch.crypto.crycb);
out_crypto:
free_page((unsigned long)kvm->arch.model.fac);
out_nofac:
debug_unregister(kvm->arch.dbf);
out_nodbf:
free_page((unsigned long)(kvm->arch.sca));
out_err:
kfree(kvm->arch.crypto.crycb);
free_page((unsigned long)kvm->arch.model.fac);
debug_unregister(kvm->arch.dbf);
free_page((unsigned long)(kvm->arch.sca));
return rc;
}