From da4aef6f02f779ac55a751bb72423a601395c050 Mon Sep 17 00:00:00 2001
From: Martin Beaudoin <beaudoin.martin@gmail.com>
Date: Mon, 28 Nov 2011 12:43:40 -0500
Subject: [PATCH] Correction for zero-sized coupled field

---
 .../limitedSchemes/linearUpwind/linearUpwind.C                  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/finiteVolume/interpolation/surfaceInterpolation/limitedSchemes/linearUpwind/linearUpwind.C b/src/finiteVolume/interpolation/surfaceInterpolation/limitedSchemes/linearUpwind/linearUpwind.C
index cb9f7d986..23404053f 100644
--- a/src/finiteVolume/interpolation/surfaceInterpolation/limitedSchemes/linearUpwind/linearUpwind.C
+++ b/src/finiteVolume/interpolation/surfaceInterpolation/limitedSchemes/linearUpwind/linearUpwind.C
@@ -93,7 +93,7 @@ Foam::linearUpwind<Type>::correction
     {
         fvsPatchField<Type>& pSfCorr = bSfCorr[patchi];
 
-        if (pSfCorr.coupled())
+        if (pSfCorr.coupled() && pSfCorr.size())
         {
             const fvPatch& p = mesh.boundary()[patchi];