memory: Have memory_region_init_ram_from_fd() handler return a boolean
Following the example documented since commit e3fe3988d7 ("error:
Document Error API usage rules"), have memory_region_init_ram_from_fd
return a boolean indicating whether an error is set or not.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Message-Id: <20231120213301.24349-14-philmd@linaro.org>
diff --git a/include/exec/memory.h b/include/exec/memory.h
index c39819e..48c11ca 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1406,8 +1406,10 @@
*
* Note that this function does not do anything to cause the data in the
* RAM memory region to be migrated; that is the responsibility of the caller.
+ *
+ * Return: true on success, else false setting @errp with error.
*/
-void memory_region_init_ram_from_fd(MemoryRegion *mr,
+bool memory_region_init_ram_from_fd(MemoryRegion *mr,
Object *owner,
const char *name,
uint64_t size,
diff --git a/system/memory.c b/system/memory.c
index e05d88a..9ceb229 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -1633,7 +1633,7 @@
return true;
}
-void memory_region_init_ram_from_fd(MemoryRegion *mr,
+bool memory_region_init_ram_from_fd(MemoryRegion *mr,
Object *owner,
const char *name,
uint64_t size,
@@ -1654,7 +1654,9 @@
mr->size = int128_zero();
object_unparent(OBJECT(mr));
error_propagate(errp, err);
+ return false;
}
+ return true;
}
#endif