1 files changed, 6 insertions, 4 deletions
diff --git a/backends/tpm/tpm_emulator.c b/backends/tpm/tpm_emulator.c
index a9b0f55e67..13657d9aba 100644
--- a/backends/tpm/tpm_emulator.c
+++ b/backends/tpm/tpm_emulator.c
@@ -42,10 +42,12 @@
 #include "qapi/qapi-visit-tpm.h"
 #include "chardev/char-fe.h"
 #include "trace.h"
+#include "qom/object.h"
 
 #define TYPE_TPM_EMULATOR "tpm-emulator"
-#define TPM_EMULATOR(obj) \
-    OBJECT_CHECK(TPMEmulator, (obj), TYPE_TPM_EMULATOR)
+typedef struct TPMEmulator TPMEmulator;
+DECLARE_INSTANCE_CHECKER(TPMEmulator, TPM_EMULATOR,
+                         TYPE_TPM_EMULATOR)
 
 #define TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(S, cap) (((S)->caps & (cap)) == (cap))
 
@@ -63,7 +65,7 @@ typedef struct TPMBlobBuffers {
     TPMSizedBuffer savestate;
 } TPMBlobBuffers;
 
-typedef struct TPMEmulator {
+struct TPMEmulator {
     TPMBackend parent;
 
     TPMEmulatorOptions *options;
@@ -80,7 +82,7 @@ typedef struct TPMEmulator {
     unsigned int established_flag_cached:1;
 
     TPMBlobBuffers state_blobs;
-} TPMEmulator;
+};
 
 struct tpm_error {
     uint32_t tpm_result;