Index: trunk/Ohana/src/opihi/cmd.data/mslice.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/mslice.c	(revision 38234)
+++ trunk/Ohana/src/opihi/cmd.data/mslice.c	(revision 39233)
@@ -35,5 +35,5 @@
   gfits_free_matrix (&out[0].matrix);
   gfits_free_header (&out[0].header);
-  CreateBuffer (out, Nx, Ny, -32, 1.0, 0.0);
+  if (!CreateBuffer (out, Nx, Ny, -32, 1.0, 0.0)) return FALSE;
 
   float *inF  = (float *) in[0].matrix.buffer + plane*Nx*Ny;