From 666622b4d4abb701cba753132302bdb31fc4c7b9 Mon Sep 17 00:00:00 2001
From: Aleksander Morgado <aleksander@aleksander.es>
Date: Sun, 8 Jul 2018 16:05:28 +0200
Subject: [PATCH] broadband-modem-mbim: report Unsupported if QMI over MBIM not
 available

For non-Qualcomm MBIM devices, report a generic "Unsupported" error if
we try to do an operation that would otherwise be only available with
QMI-over-MBIM.
---
 src/mm-broadband-modem-mbim.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/mm-broadband-modem-mbim.c b/src/mm-broadband-modem-mbim.c
index 89ca4d54..2f3ecda1 100644
--- a/src/mm-broadband-modem-mbim.c
+++ b/src/mm-broadband-modem-mbim.c
@@ -166,6 +166,14 @@ shared_qmi_peek_client (MMSharedQmi    *self,
         return NULL;
     }
 
+    if (!mm_port_mbim_supports_qmi (port)) {
+        g_set_error (error,
+                     MM_CORE_ERROR,
+                     MM_CORE_ERROR_UNSUPPORTED,
+                     "Unsupported");
+        return NULL;
+    }
+
     client = mm_port_mbim_peek_qmi_client (port, service);
     if (!client)
         g_set_error (error,