Index: trunk/Ohana/src/opihi/cmd.data/vgrid.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/vgrid.c	(revision 20936)
+++ trunk/Ohana/src/opihi/cmd.data/vgrid.c	(revision 39233)
@@ -43,5 +43,5 @@
   gfits_free_matrix (&bf[0].matrix);
   gfits_free_header (&bf[0].header);
-  CreateBuffer (bf, Nx, Ny, -32, 0.0, 1.0);
+  if (!CreateBuffer (bf, Nx, Ny, -32, 0.0, 1.0)) return FALSE;
   strcpy (bf[0].file, "(empty)");