From 5e4b5007850bb9a43fa2796927644c9d2ef60dce Mon Sep 17 00:00:00 2001
From: Andrew Kosovich <akosovich@gravitymobile.com>
Date: Thu, 6 Feb 2014 18:33:03 +0200
Subject: [PATCH] Fixed crash in the STKHTTPDataSource.

---
 StreamingKit/StreamingKit/STKHTTPDataSource.m | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/StreamingKit/StreamingKit/STKHTTPDataSource.m b/StreamingKit/StreamingKit/STKHTTPDataSource.m
index 7874015..2c9d97b 100644
--- a/StreamingKit/StreamingKit/STKHTTPDataSource.m
+++ b/StreamingKit/StreamingKit/STKHTTPDataSource.m
@@ -138,15 +138,22 @@
 
 -(void) dataAvailable
 {
+    if (stream == NULL) {
+        return;
+    }
+    
 	if (self.httpStatusCode == 0)
 	{
 		CFTypeRef response = CFReadStreamCopyProperty(stream, kCFStreamPropertyHTTPResponseHeader);
         
-        httpHeaders = (__bridge_transfer NSDictionary*)CFHTTPMessageCopyAllHeaderFields((CFHTTPMessageRef)response);
-        
-        self.httpStatusCode = CFHTTPMessageGetResponseStatusCode((CFHTTPMessageRef)response);
-        
-        CFRelease(response);
+        if (response)
+        {
+            httpHeaders = (__bridge_transfer NSDictionary*)CFHTTPMessageCopyAllHeaderFields((CFHTTPMessageRef)response);
+            
+            self.httpStatusCode = CFHTTPMessageGetResponseStatusCode((CFHTTPMessageRef)response);
+            
+            CFRelease(response);
+        }
 		
 		if (self.httpStatusCode == 200)
 		{