tpm: report backend request error

Use an Error** for request to let the caller handle error reporting.

This will also allow to inform the frontend of a backend error.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/sysemu/tpm.h b/include/sysemu/tpm.h
index 852e02687c..ac04a9d4a2 100644
--- a/include/sysemu/tpm.h
+++ b/include/sysemu/tpm.h
@@ -41,7 +41,7 @@ typedef struct TPMIfClass {
     InterfaceClass parent_class;
 
     enum TpmModel model;
-    void (*request_completed)(TPMIf *obj);
+    void (*request_completed)(TPMIf *obj, int ret);
     enum TPMVersion (*get_version)(TPMIf *obj);
 } TPMIfClass;