From 09b663f38767ce0d84b2301c97efec2d37e71a49 Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@redhat.com>
Date: Mon, 29 Oct 2018 07:01:36 +0100
Subject: [PATCH 06/22] hostmem: drop error variable from
 host_memory_backend_get_memory()
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RH-Author: Markus Armbruster <armbru@redhat.com>
Message-id: <20181029070137.21196-3-armbru@redhat.com>
Patchwork-id: 82902
O-Subject: [RHEL-7.6 qemu-kvm-rhev PATCH 2/3] hostmem: drop error variable from host_memory_backend_get_memory()
Bugzilla: 1620373
RH-Acked-by: David Hildenbrand <david@redhat.com>
RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
RH-Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>

From: David Hildenbrand <david@redhat.com>

Unused, so let's remove it.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180619134141.29478-8-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 7943e97b858e64eddf0f3395427e58c5cc00a7d9)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 backends/hostmem.c       | 3 +--
 hw/mem/nvdimm.c          | 4 ++--
 hw/mem/pc-dimm.c         | 4 ++--
 hw/misc/ivshmem.c        | 3 +--
 include/sysemu/hostmem.h | 3 +--
 numa.c                   | 3 +--
 6 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/backends/hostmem.c b/backends/hostmem.c
index f610936..799ec69 100644
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -246,8 +246,7 @@ bool host_memory_backend_mr_inited(HostMemoryBackend *backend)
     return memory_region_size(&backend->mr) != 0;
 }
 
-MemoryRegion *
-host_memory_backend_get_memory(HostMemoryBackend *backend, Error **errp)
+MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend)
 {
     return host_memory_backend_mr_inited(backend) ? &backend->mr : NULL;
 }
diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c
index 5f1813d..da2b989 100644
--- a/hw/mem/nvdimm.c
+++ b/hw/mem/nvdimm.c
@@ -106,7 +106,7 @@ static MemoryRegion *nvdimm_get_memory_region(PCDIMMDevice *dimm, Error **errp)
 
 static void nvdimm_realize(PCDIMMDevice *dimm, Error **errp)
 {
-    MemoryRegion *mr = host_memory_backend_get_memory(dimm->hostmem, errp);
+    MemoryRegion *mr = host_memory_backend_get_memory(dimm->hostmem);
     NVDIMMDevice *nvdimm = NVDIMM(dimm);
     uint64_t align, pmem_size, size = memory_region_size(mr);
 
@@ -168,7 +168,7 @@ static void nvdimm_write_label_data(NVDIMMDevice *nvdimm, const void *buf,
         pmem_memcpy_persist(nvdimm->label_data + offset, buf, size);
     }
 
-    mr = host_memory_backend_get_memory(dimm->hostmem, &error_abort);
+    mr = host_memory_backend_get_memory(dimm->hostmem);
     backend_offset = memory_region_size(mr) - nvdimm->label_size + offset;
     memory_region_set_dirty(mr, backend_offset, size);
 }
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index a9d7c51..c4a6551 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -442,12 +442,12 @@ static MemoryRegion *pc_dimm_get_memory_region(PCDIMMDevice *dimm, Error **errp)
         return NULL;
     }
 
-    return host_memory_backend_get_memory(dimm->hostmem, errp);
+    return host_memory_backend_get_memory(dimm->hostmem);
 }
 
 static MemoryRegion *pc_dimm_get_vmstate_memory_region(PCDIMMDevice *dimm)
 {
-    return host_memory_backend_get_memory(dimm->hostmem, &error_abort);
+    return host_memory_backend_get_memory(dimm->hostmem);
 }
 
 static void pc_dimm_class_init(ObjectClass *oc, void *data)
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index bfbfc0e..47456b8 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -916,8 +916,7 @@ static void ivshmem_common_realize(PCIDevice *dev, Error **errp)
     if (s->hostmem != NULL) {
         IVSHMEM_DPRINTF("using hostmem\n");
 
-        s->ivshmem_bar2 = host_memory_backend_get_memory(s->hostmem,
-                                                         &error_abort);
+        s->ivshmem_bar2 = host_memory_backend_get_memory(s->hostmem);
     } else {
         Chardev *chr = qemu_chr_fe_get_driver(&s->server_chr);
         assert(chr);
diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h
index 47bc984..69ba393 100644
--- a/include/sysemu/hostmem.h
+++ b/include/sysemu/hostmem.h
@@ -63,8 +63,7 @@ struct HostMemoryBackend {
 };
 
 bool host_memory_backend_mr_inited(HostMemoryBackend *backend);
-MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend,
-                                             Error **errp);
+MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend);
 
 void host_memory_backend_set_mapped(HostMemoryBackend *backend, bool mapped);
 bool host_memory_backend_is_mapped(HostMemoryBackend *backend);
diff --git a/numa.c b/numa.c
index e78fba5..6e3d679 100644
--- a/numa.c
+++ b/numa.c
@@ -512,8 +512,7 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
         if (!backend) {
             continue;
         }
-        MemoryRegion *seg = host_memory_backend_get_memory(backend,
-                                                           &error_fatal);
+        MemoryRegion *seg = host_memory_backend_get_memory(backend);
 
         if (memory_region_is_mapped(seg)) {
             char *path = object_get_canonical_path_component(OBJECT(backend));
-- 
1.8.3.1