memory: remove memory_region_destroy

The function is empty after the previous patch, so remove it.

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

2 files changed, 0 insertions, 22 deletions

diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index be4220b415..c1bf357154 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -453,25 +453,6 @@ static int xen_pt_register_regions(XenPCIPassthroughState *s)
     return 0;
 }
 
-static void xen_pt_unregister_regions(XenPCIPassthroughState *s)
-{
-    XenHostPCIDevice *d = &s->real_device;
-    int i;
-
-    for (i = 0; i < PCI_NUM_REGIONS - 1; i++) {
-        XenHostPCIIORegion *r = &d->io_regions[i];
-
-        if (r->base_addr == 0 || r->size == 0) {
-            continue;
-        }
-
-        memory_region_destroy(&s->bar[i]);
-    }
-    if (d->rom.base_addr && d->rom.size) {
-        memory_region_destroy(&s->rom);
-    }
-}
-
 /* region mapping */
 
 static int xen_pt_bar_from_region(XenPCIPassthroughState *s, MemoryRegion *mr)
@@ -810,7 +791,6 @@ static void xen_pt_unregister_device(PCIDevice *d)
     /* delete all emulated config registers */
     xen_pt_config_delete(s);
 
-    xen_pt_unregister_regions(s);
     memory_listener_unregister(&s->memory_listener);
     memory_listener_unregister(&s->io_listener);
 
diff --git a/hw/xen/xen_pt_msi.c b/hw/xen/xen_pt_msi.c
index 12b4c4560c..9ed9321c9f 100644
--- a/hw/xen/xen_pt_msi.c
+++ b/hw/xen/xen_pt_msi.c
@@ -593,7 +593,6 @@ int xen_pt_msix_init(XenPCIPassthroughState *s, uint32_t base)
     return 0;
 
 error_out:
-    memory_region_destroy(&msix->mmio);
     g_free(s->msix);
     s->msix = NULL;
     return rc;
@@ -616,7 +615,6 @@ void xen_pt_msix_delete(XenPCIPassthroughState *s)
     }
 
     memory_region_del_subregion(&s->bar[msix->bar_index], &msix->mmio);
-    memory_region_destroy(&msix->mmio);
 
     g_free(s->msix);
     s->msix = NULL;