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>

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 02e03c8..4075acb 100644 (file)
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -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:
+out_err:
        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:
        return rc;
 }