From fe20a273bb3979d9e806d828486633249d073ede Mon Sep 17 00:00:00 2001
From: Christopher Peplin <chris.peplin@rhubarbtech.com>
Date: Thu, 2 Jan 2014 12:10:14 -0500
Subject: Avoid hitting a NULL pointer when using callbacks.

---
 src/isotp/send.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/isotp/send.c')

diff --git a/src/isotp/send.c b/src/isotp/send.c
index 6cce5c9..85e3574 100644
--- a/src/isotp/send.c
+++ b/src/isotp/send.c
@@ -6,7 +6,9 @@
 
 void isotp_complete_send(IsoTpShims* shims, IsoTpMessage* message,
         bool status, IsoTpMessageSentHandler callback) {
-    callback(message, status);
+    if(callback != NULL) {
+        callback(message, status);
+    }
 }
 
 IsoTpHandle isotp_send_single_frame(IsoTpShims* shims, IsoTpMessage* message,
-- 
cgit