--- ray/src/common/bsdf.c	2011/07/07 15:25:09	2.34
+++ ray/src/common/bsdf.c	2011/09/17 22:09:33	2.36
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: bsdf.c,v 2.34 2011/07/07 15:25:09 greg Exp $";
+static const char RCSid[] = "$Id: bsdf.c,v 2.36 2011/09/17 22:09:33 greg Exp $";
 #endif
 /*
  *  bsdf.c
@@ -171,8 +171,10 @@ SDloadFile(SDData *sd, const char *fname)
 	}
 				/* load geometry if present */
 	lastErr = SDloadGeometry(sd, ezxml_child(wtl, "Material"));
-	if (lastErr)
+	if (lastErr) {
+		ezxml_free(fl);
 		return lastErr;
+	}
 				/* try loading variable resolution data */
 	lastErr = SDloadTre(sd, wtl);
 				/* check our result */
@@ -423,7 +425,7 @@ SDsampComponent(SDValue *sv, FVECT ioVec, double randX
 	cd = (*sdc->func->getCDist)(inVec, sdc);
 	if (cd == NULL)
 		return SDEmemory;
-	if (cd->cTotal <= 1e-7) {	/* anything to sample? */
+	if (cd->cTotal <= 1e-6) {	/* anything to sample? */
 		sv->spec = c_dfcolor;
 		sv->cieY = .0;
 		memset(ioVec, 0, 3*sizeof(double));
@@ -685,7 +687,7 @@ SDsampBSDF(SDValue *sv, FVECT ioVec, double randX, int
 		}
 		sv->cieY += cdarr[i]->cTotal;
 	}
-	if (sv->cieY <= 1e-7) {		/* anything to sample? */
+	if (sv->cieY <= 1e-6) {		/* anything to sample? */
 		sv->cieY = .0;
 		memset(ioVec, 0, 3*sizeof(double));
 		return SDEnone;