From 91054ed9fe7f08cac9738a6a6af5a9ad476ba24b Mon Sep 17 00:00:00 2001
From: Eric Blossom <eb@comsec.com>
Date: Wed, 19 May 2010 20:38:17 -0700
Subject: [PATCH] Return immediately when using d_residual.

(Otherwise recv may overwrite valid data in d_temp_buff.)
---
 gnuradio-core/src/lib/io/gr_udp_source.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gnuradio-core/src/lib/io/gr_udp_source.cc b/gnuradio-core/src/lib/io/gr_udp_source.cc
index 1197a0c4..da5b8a19 100755
--- a/gnuradio-core/src/lib/io/gr_udp_source.cc
+++ b/gnuradio-core/src/lib/io/gr_udp_source.cc
@@ -243,7 +243,10 @@ gr_udp_source::work (int noutput_items,
     // Update indexing of amount of bytes left in the buffer
     d_residual -= nbytes;
     d_temp_offset += nbytes;
-    // FIXME? Returning here could simplify life...
+
+    // Return now with what we've got.
+    assert(nbytes % d_itemsize == 0);
+    return nbytes/d_itemsize;
   }
 
 #if USE_SELECT
-- 
2.30.2