Index: trunk/psphot/src/psphotFitSourcesLinear.c
===================================================================
--- trunk/psphot/src/psphotFitSourcesLinear.c	(revision 15132)
+++ trunk/psphot/src/psphotFitSourcesLinear.c	(revision 16820)
@@ -12,5 +12,5 @@
 static bool SetBorderMatrixElements (psSparseBorder *border, pmReadout *readout, psArray *sources, bool constant_weights, int SKY_FIT_ORDER);
 
-bool psphotFitSourcesLinear (pmReadout *readout, psArray *sources, psMetadata *recipe, pmPSF *psf, bool final, psMaskType maskVal) {
+bool psphotFitSourcesLinear (pmReadout *readout, psArray *sources, psMetadata *recipe, pmPSF *psf, bool final) {
 
     bool status;
@@ -21,4 +21,8 @@
 
     psTimerStart ("psphot");
+
+    // user-defined masks to test for good/bad pixels (build from recipe list if not yet set)
+    psMaskType maskVal = psMetadataLookupU8(&status, recipe, "MASK.PSPHOT"); // Mask value for bad pixels
+    assert (maskVal);
 
     // source analysis is done in spatial order
@@ -187,6 +191,4 @@
         pmSourceSub (source, PM_MODEL_OP_FULL, maskVal);
         source->mode |= PM_SOURCE_MODE_SUBTRACTED;
-        if (!final) source->mode |= PM_SOURCE_MODE_TEMPSUB;
-        // XXX not sure about the use of TEMPSUB
     }