Index: trunk/psModules/src/detrend/pmBias.c
===================================================================
--- trunk/psModules/src/detrend/pmBias.c	(revision 28178)
+++ trunk/psModules/src/detrend/pmBias.c	(revision 28405)
@@ -144,8 +144,6 @@
 
             if (!psThreadJobAddPending(job)) {
-                psFree(job);
                 return false;
             }
-            psFree(job);
         } else if (!pmBiasSubtractScan(in, sub, scale, xOffset, yOffset, rowStart, rowStop)) {
             psError(PS_ERR_UNKNOWN, false, "Unable to apply bias correction.");
Index: trunk/psModules/src/detrend/pmDark.c
===================================================================
--- trunk/psModules/src/detrend/pmDark.c	(revision 28178)
+++ trunk/psModules/src/detrend/pmDark.c	(revision 28405)
@@ -587,10 +587,8 @@
 
             if (!psThreadJobAddPending (job)) {
-                psFree(job);
                 psFree(orders);
                 psFree(values);
                 return false;
             }
-            psFree(job);
         } else if (!pmDarkApplyScan(readout, dark, orders, values, bad, doNorm, norm, rowStart, rowStop)) {
             psError(PS_ERR_UNKNOWN, false, "Unable to apply dark.");
Index: trunk/psModules/src/detrend/pmFlatField.c
===================================================================
--- trunk/psModules/src/detrend/pmFlatField.c	(revision 28178)
+++ trunk/psModules/src/detrend/pmFlatField.c	(revision 28405)
@@ -150,8 +150,6 @@
 
           if (!psThreadJobAddPending(job)) {
-              psFree(job);
               return false;
           }
-          psFree(job);
       } else if (!pmFlatFieldScan(inImage, inMask, inVar, flatImage, flatMask, badFlat,
                                   xOffset, yOffset, rowStart, rowStop)) {
Index: trunk/psModules/src/detrend/pmShutterCorrection.c
===================================================================
--- trunk/psModules/src/detrend/pmShutterCorrection.c	(revision 28178)
+++ trunk/psModules/src/detrend/pmShutterCorrection.c	(revision 28405)
@@ -351,10 +351,10 @@
     psStats *resStats = psStatsAlloc (PS_STAT_SAMPLE_MEDIAN | PS_STAT_SAMPLE_STDEV);
     if (!psVectorStats (rawStats, counts, NULL, NULL, 0)) {
-	psError(PS_ERR_UNKNOWN, false, "failure to measure stats");
-	return NULL;
+        psError(PS_ERR_UNKNOWN, false, "failure to measure stats");
+        return NULL;
     }
     if (!psVectorStats (resStats, resid, NULL, NULL, 0)) {
-	psError(PS_ERR_UNKNOWN, false, "failure to measure stats");
-	return NULL;
+        psError(PS_ERR_UNKNOWN, false, "failure to measure stats");
+        return NULL;
     }
 
@@ -794,8 +794,6 @@
 
                 if (!psThreadJobAddPending(job)) {
-                    psFree(job);
                     return false;
                 }
-                psFree(job);
             } else if (!pmShutterCorrectionApplyScan(image, mask, var, shutterImage, exptime, blank,
                                                      rowStart, rowStop)) {
@@ -1017,13 +1015,13 @@
 
         if (corr) {
-	    psTrace("psModules.detrend", 5, "Shutter correction fit: scale: %f, offset: %f, offref: %f\n", corr->scale, corr->offset, corr->offref);
-	    if (isfinite(corr->offref) && corr->valid) {
-		psTrace("psModules.detrend", 5, "Sample reference value: %f\n", corr->offref);
-		meanRef += corr->offref;
-		numGood++;
-	    }
+            psTrace("psModules.detrend", 5, "Shutter correction fit: scale: %f, offset: %f, offref: %f\n", corr->scale, corr->offset, corr->offref);
+            if (isfinite(corr->offref) && corr->valid) {
+                psTrace("psModules.detrend", 5, "Sample reference value: %f\n", corr->offref);
+                meanRef += corr->offref;
+                numGood++;
+            }
         } else {
-	    psTrace("psModules.detrend", 5, "failed Shutter correction fit\n");
-	}
+            psTrace("psModules.detrend", 5, "failed Shutter correction fit\n");
+        }
 
         psFree(corr);