DISCARD command error occurs if any of the following apply: - [ ... (those which we have already handled) ] - The EventID for the device is mapped to a collection that has not been mapped to an RDbase using MAPC.
Let's take the unmapped collection case into account and report a DISCARD command error if it really happens. Signed-off-by: Zenghui Yu <[email protected]> --- virt/kvm/arm/vgic/vgic-its.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c index 17920d1b350a..d53d34a33e35 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -839,9 +839,8 @@ static int vgic_its_cmd_handle_discard(struct kvm *kvm, struct vgic_its *its, u32 event_id = its_cmd_get_id(its_cmd); struct its_ite *ite; - ite = find_ite(its, device_id, event_id); - if (ite && ite->collection) { + if (ite && its_is_collection_mapped(ite->collection)) { /* * Though the spec talks about removing the pending state, we * don't bother here since we clear the ITTE anyway and the -- 2.19.1 _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
