libqmi-glib,device: ignore HUPs in memory streamsaleksander/virtual

1 files changed, 6 insertions, 0 deletions

diff --git a/src/libqmi-glib/qmi-device.c b/src/libqmi-glib/qmi-device.c
index b7b85939..753f47f5 100644
--- a/src/libqmi-glib/qmi-device.c
+++ b/src/libqmi-glib/qmi-device.c
@@ -1375,6 +1375,12 @@ input_ready_cb (GInputStream *istream,
     }
 
     if (r == 0) {
+        /* When the istream comes from a memory stream (e.g. see QmiDeviceVirtual),
+         * avoid triggering a HUP if no data read. An empty memory stream is
+         * already in EOF/HUP state, we just need to keep on waiting. */
+        if (G_IS_MEMORY_INPUT_STREAM (istream))
+            return TRUE;
+
         /* HUP! */
         g_warning ("Cannot read from istream: connection broken");
         return FALSE;