From 1fe54d437f1a11f5ff402dfb0d19d5de37f4b005 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@gmail.com>
Date: Tue, 30 Sep 2014 18:33:03 +0200
Subject: pco: add global shutter support

---
 src/uca-camera.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/uca-camera.c')

diff --git a/src/uca-camera.c b/src/uca-camera.c
index 6f44957..9c90f1a 100644
--- a/src/uca-camera.c
+++ b/src/uca-camera.c
@@ -943,6 +943,9 @@ uca_camera_grab (UcaCamera *camera, gpointer data, GError **error)
     else {
         gpointer buffer;
 
+        if (camera->priv->ring_buffer == NULL)
+            return FALSE;
+
         /*
          * Spin-lock until we can read something. This shouldn't happen to
          * often, as buffering is usually used in those cases when the camera is
-- 
cgit v1.2.3