uvstream: report alignment and trasnfer size issue during init

AravisProject · Nov 12, 2024 · 519849f · 519849f
1 parent 2a04989
commit 519849f
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/arvuvstream.c b/src/arvuvstream.c
@@ -924,6 +924,19 @@ arv_uv_stream_start_acquisition (ArvStream *stream, GError **error)
 
 	arv_info_stream ("Required alignment    = %d", alignment);
 
+        if (alignment == 0) {
+                g_set_error (error, ARV_DEVICE_ERROR, ARV_DEVICE_ERROR_PROTOCOL_ERROR,
+                             "Device returned an invalid USB alignment");
+                return FALSE;
+        }
+
+        if (alignment > priv->maximum_transfer_size) {
+                g_set_error (error, ARV_DEVICE_ERROR, ARV_DEVICE_ERROR_INVALID_PARAMETER,
+                             "Invalid USB maximum transfer size (%" G_GINT64_MODIFIER "u)",
+                             priv->maximum_transfer_size);
+                return FALSE;
+        }
+
         /* keep a non mutated copy of maximum_transfer_size during the thread lifetime */
         thread_data->maximum_transfer_size = priv->maximum_transfer_size;