diff options
Diffstat (limited to 'virt/kvm/arm/vgic.c')
| -rw-r--r-- | virt/kvm/arm/vgic.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index a7e496abfca2..91d42a8a5f72 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1719,21 +1719,20 @@ static struct list_head *vgic_get_irq_phys_map_list(struct kvm_vcpu *vcpu, * the physical interrupt represented by @phys_irq. This mapping can be * established multiple times as long as the parameters are the same. * - * Returns a valid pointer on success, and an error pointer otherwise + * Returns 0 on success or an error value otherwise. */ -struct irq_phys_map *kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, - int virt_irq, int phys_irq) +int kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, int virt_irq, int phys_irq) { struct vgic_dist *dist = &vcpu->kvm->arch.vgic; struct list_head *root = vgic_get_irq_phys_map_list(vcpu, virt_irq); struct irq_phys_map *map; struct irq_phys_map_entry *entry; - + int ret = 0; /* Create a new mapping */ entry = kzalloc(sizeof(*entry), GFP_KERNEL); if (!entry) - return ERR_PTR(-ENOMEM); + return -ENOMEM; spin_lock(&dist->irq_phys_map_lock); @@ -1742,7 +1741,7 @@ struct irq_phys_map *kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, if (map) { /* Make sure this mapping matches */ if (map->phys_irq != phys_irq) - map = ERR_PTR(-EINVAL); + ret = -EINVAL; /* Found an existing, valid mapping */ goto out; @@ -1758,9 +1757,9 @@ out: spin_unlock(&dist->irq_phys_map_lock); /* If we've found a hit in the existing list, free the useless * entry */ - if (IS_ERR(map) || map != &entry->map) + if (ret || map != &entry->map) kfree(entry); - return map; + return ret; } static struct irq_phys_map *vgic_irq_map_search(struct kvm_vcpu *vcpu, |