Commit 57e7fbee authored by Jan Kiszka's avatar Jan Kiszka Committed by Avi Kivity

KVM: Refactor srcu struct release on early errors

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 30bd0c4c
......@@ -401,23 +401,19 @@ static struct kvm *kvm_create_vm(void)
r = -ENOMEM;
kvm->memslots = kzalloc(sizeof(struct kvm_memslots), GFP_KERNEL);
if (!kvm->memslots)
goto out_err;
goto out_err_nosrcu;
if (init_srcu_struct(&kvm->srcu))
goto out_err;
goto out_err_nosrcu;
for (i = 0; i < KVM_NR_BUSES; i++) {
kvm->buses[i] = kzalloc(sizeof(struct kvm_io_bus),
GFP_KERNEL);
if (!kvm->buses[i]) {
cleanup_srcu_struct(&kvm->srcu);
if (!kvm->buses[i])
goto out_err;
}
}
r = kvm_init_mmu_notifier(kvm);
if (r) {
cleanup_srcu_struct(&kvm->srcu);
if (r)
goto out_err;
}
kvm->mm = current->mm;
atomic_inc(&kvm->mm->mm_count);
......@@ -435,6 +431,8 @@ static struct kvm *kvm_create_vm(void)
return kvm;
out_err:
cleanup_srcu_struct(&kvm->srcu);
out_err_nosrcu:
hardware_disable_all();
out_err_nodisable:
for (i = 0; i < KVM_NR_BUSES; i++)
......
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