1 files changed, 6 insertions, 3 deletions
diff --git a/include/chardev/char-fd.h b/include/chardev/char-fd.h
index e7c2b176f9..9de0e440de 100644
--- a/include/chardev/char-fd.h
+++ b/include/chardev/char-fd.h
@@ -26,17 +26,20 @@
 
 #include "io/channel.h"
 #include "chardev/char.h"
+#include "qom/object.h"
 
-typedef struct FDChardev {
+struct FDChardev {
     Chardev parent;
 
     QIOChannel *ioc_in, *ioc_out;
     int max_size;
-} FDChardev;
+};
+typedef struct FDChardev FDChardev;
 
 #define TYPE_CHARDEV_FD "chardev-fd"
 
-#define FD_CHARDEV(obj) OBJECT_CHECK(FDChardev, (obj), TYPE_CHARDEV_FD)
+DECLARE_INSTANCE_CHECKER(FDChardev, FD_CHARDEV,
+                         TYPE_CHARDEV_FD)
 
 void qemu_chr_open_fd(Chardev *chr, int fd_in, int fd_out);
 int qmp_chardev_open_file_source(char *src, int flags, Error **errp);