[PATCH-for-9.0 06/25] memory: Have memory_region_init_ram() handler return a boolean

[Philippe Mathieu-Daudé]

Following the example documented since commit e3fe3988d7 ("error:
Document Error API usage rules"), have cpu_exec_realizefn()
return a boolean indicating whether an error is set or not.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/exec/memory.h | 4 +++-
 system/memory.c       | 6 ++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/include/exec/memory.h b/include/exec/memory.h
index 8e6fb55f59..788872e4a4 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1582,8 +1582,10 @@ void memory_region_init_iommu(void *_iommu_mr,
  * give the RAM block a unique name for migration purposes.
  * We should lift this restriction and allow arbitrary Objects.
  * If you pass a non-NULL non-device @owner then we will assert.
+ *
+ * Return: true on success, else false setting @errp with error.
  */
-void memory_region_init_ram(MemoryRegion *mr,
+bool memory_region_init_ram(MemoryRegion *mr,
                             Object *owner,
                             const char *name,
                             uint64_t size,
diff --git a/system/memory.c b/system/memory.c
index ca05c4defa..4142eac498 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -3597,7 +3597,7 @@ void mtree_info(bool flatview, bool dispatch_tree, bool 
owner, bool disabled)
     }
 }
 
-void memory_region_init_ram(MemoryRegion *mr,
+bool memory_region_init_ram(MemoryRegion *mr,
                             Object *owner,
                             const char *name,
                             uint64_t size,
@@ -3606,7 +3606,7 @@ void memory_region_init_ram(MemoryRegion *mr,
     DeviceState *owner_dev;
 
     if (!memory_region_init_ram_nomigrate(mr, owner, name, size, errp)) {
-        return;
+        return false;
     }
     /* This will assert if owner is neither NULL nor a DeviceState.
      * We only want the owner here for the purposes of defining a
@@ -3616,6 +3616,8 @@ void memory_region_init_ram(MemoryRegion *mr,
      */
     owner_dev = DEVICE(owner);
     vmstate_register_ram(mr, owner_dev);
+
+    return true;
 }
 
 void memory_region_init_rom(MemoryRegion *mr,
-- 
2.41.0