From 6b546e8b4b2450a260c8f165241177a9e43edf2d Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles@transmissionbt.com>
Date: Sun, 7 Mar 2010 17:38:34 +0000
Subject: [PATCH] (trunk libT) #1242 "don't accept duplicate blocks during
 endgame" -- fixed in trunk for 1.92

---
 libtransmission/peer-msgs.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libtransmission/peer-msgs.c b/libtransmission/peer-msgs.c
index d58fbebea..dda585d25 100644
--- a/libtransmission/peer-msgs.c
+++ b/libtransmission/peer-msgs.c
@@ -1603,13 +1603,16 @@ clientGotBlock( tr_peermsgs *               msgs,
         return EMSGSIZE;
     }
 
-    /* save the block */
     dbgmsg( msgs, "got block %u:%u->%u", req->index, req->offset, req->length );
 
     if( !tr_peerMgrDidPeerRequest( msgs->torrent, msgs->peer, block ) ) {
         dbgmsg( msgs, "we didn't ask for this message..." );
         return 0;
     }
+    if( tr_cpPieceIsComplete( &msgs->torrent->completion, req->index ) ) {
+        dbgmsg( msgs, "we did ask for this message, but the piece is already complete..." );
+        return 0;
+    }
 
     /**
     ***  Save the block