[farsight2/master] Add check on NULL ca in copy function

[Olivier Crête]

---
 gst/fsrtpconference/fs-rtp-codec-negotiation.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/gst/fsrtpconference/fs-rtp-codec-negotiation.c b/gst/fsrtpconference/fs-rtp-codec-negotiation.c
index 63e27ea..7515ac1 100644
--- a/gst/fsrtpconference/fs-rtp-codec-negotiation.c
+++ b/gst/fsrtpconference/fs-rtp-codec-negotiation.c
@@ -649,6 +649,8 @@ codec_association_copy (CodecAssociation *ca)
 {
   CodecAssociation *newca = g_slice_new (CodecAssociation);
 
+  g_return_val_if_fail (ca, NULL);
+
   memcpy (newca, ca, sizeof(CodecAssociation));
   newca->codec = fs_codec_copy (ca->codec);
 
-- 
1.5.6.5