vgic_v3_insert_redist_region() may succeed while
vgic_register_all_redist_iodevs fails. For example this happens
while adding a redistributor region overlapping a dist region. The
failure only is detected on vgic_register_all_redist_iodevs when
vgic_v3_check_base() gets called in vgic_register_redist_iodev().
In such a case, remove the newly added redistributor region and free
it.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210405163941.510258-4-eric.auger@redhat.com
* afterwards will register the iodevs when needed.
*/
ret = vgic_register_all_redist_iodevs(kvm);
- if (ret)
+ if (ret) {
+ struct vgic_redist_region *rdreg;
+
+ rdreg = vgic_v3_rdist_region_from_index(kvm, index);
+ list_del(&rdreg->list);
+ kfree(rdreg);
return ret;
+ }
return 0;
}