TF-M patch: Free connection handle in psa_reply (TF-M issue #263)

- Link to bug tracking: https://developer.trustedfirmware.org/T263

Author: Edison Ai

components/TARGET_PSA/TARGET_TFM/COMPONENT_SPE/secure_fw/core/ipc/tfm_svcalls.c

@@ -256,9 +256,6 @@ void tfm_svcall_psa_close(uint32_t *args, int32_t ns_caller)
      * and scheduler triggered
      */
     tfm_spm_send_event(service, msg);
-
-    /* Service handle is not used anymore */
-    tfm_spm_free_conn_handle(service, handle);
 }
 
 /*********************** SVC handler for PSA Service APIs ********************/
@@ -788,6 +785,9 @@ static void tfm_svcall_psa_reply(uint32_t *args)
         update_caller_outvec_len(msg);
         break;
     case PSA_IPC_DISCONNECT:
+        /* Service handle is not used anymore */
+        tfm_spm_free_conn_handle(service, msg->handle);
+
         /*
          * If the message type is PSA_IPC_DISCONNECT, then the status code is
          * ignored