Introduce internal memory_region_do_init_ram_ptr() function to remove
duplicated code from different memory_region_init_ram_*ptr functions.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 system/memory.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/system/memory.c b/system/memory.c
index 7267333e11..68dc95b9b1 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -1663,26 +1663,29 @@ bool memory_region_init_ram_from_fd(MemoryRegion *mr, Object *owner,
 }
 #endif
 
-void memory_region_init_ram_ptr(MemoryRegion *mr, Object *owner,
-                                const char *name, uint64_t size, void *ptr)
+static void memory_region_do_init_ram_ptr(MemoryRegion *mr, uint64_t size,
+                                          void *ptr)
 {
-    memory_region_init(mr, owner, name, size);
     /* qemu_ram_alloc_from_ptr cannot fail with ptr != NULL.  */
     assert(ptr != NULL);
     mr->ram_block = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_abort);
     memory_region_do_init_ram(mr, NULL, NULL);
 }
 
+void memory_region_init_ram_ptr(MemoryRegion *mr, Object *owner,
+                                const char *name, uint64_t size, void *ptr)
+{
+    memory_region_init(mr, owner, name, size);
+    memory_region_do_init_ram_ptr(mr, size, ptr);
+}
+
 void memory_region_init_ram_device_ptr(MemoryRegion *mr, Object *owner,
                                        const char *name, uint64_t size,
                                        void *ptr)
 {
     memory_region_init(mr, owner, name, size);
     memory_region_set_ops(mr, &ram_device_mem_ops, mr);
-    /* qemu_ram_alloc_from_ptr cannot fail with ptr != NULL.  */
-    assert(ptr != NULL);
-    mr->ram_block = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_abort);
-    memory_region_do_init_ram(mr, NULL, NULL);
+    memory_region_do_init_ram_ptr(mr, size, ptr);
     mr->ram_device = true;
 }
 
-- 
2.41.3