From 46d38f50041e45cf878fa9a194b0f2dc7aa4dcf7 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
Date: Thu, 24 Mar 2011 10:43:10 +0100
Subject: Disallow callback registration if there is no memory allocated
---
src/grabbers/me4.c | 3 +++
1 file changed, 3 insertions(+)
(limited to 'src')
diff --git a/src/grabbers/me4.c b/src/grabbers/me4.c
index ba2c881..ceac483 100644
--- a/src/grabbers/me4.c
+++ b/src/grabbers/me4.c
@@ -196,6 +196,9 @@ static int uca_me4_callback(frameindex_t frame, struct fg_apc_data *apc)
uint32_t uca_me4_register_callback(struct uca_grabber *grabber, uca_cam_grab_callback callback, void *meta_data, void *user)
{
+ if (GET_MEM(grabber) == NULL)
+ return UCA_ERR_GRABBER | UCA_ERR_CALLBACK | UCA_ERR_NO_MEMORY;
+
if (grabber->callback == NULL) {
grabber->callback = callback;
--
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