From f0cb3317a0cf8333c03b0a45e3bb25c7490f85ef Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@ipe.fzk.de>
Date: Thu, 10 Mar 2011 10:25:12 +0100
Subject: Add IPE infrastructure and make sure that cameras check grabber
 existence

---
 src/cameras/pco.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/cameras/pco.c')

diff --git a/src/cameras/pco.c b/src/cameras/pco.c
index ccf7d90..cb286e8 100644
--- a/src/cameras/pco.c
+++ b/src/cameras/pco.c
@@ -239,6 +239,9 @@ uint32_t uca_pco_grab(struct uca_camera_t *cam, char *buffer)
 
 uint32_t uca_pco_init(struct uca_camera_t **cam, struct uca_grabber_t *grabber)
 {
+    if (grabber == NULL)
+        return UCA_ERR_CAM_NOT_FOUND;
+
     struct pco_edge_t *pco = pco_init();
 
     if (pco == NULL) {
-- 
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