diff --git a/drivers/of/pdt.c b/drivers/of/pdt.c
index 07cc1d6..826204a 100644
--- a/drivers/of/pdt.c
+++ b/drivers/of/pdt.c
@@ -128,6 +128,10 @@ static struct property * __init of_pdt_build_one_prop(phandle node, char *prev,
 			p->value = prom_early_alloc(p->length + 1);
 			len = of_pdt_prom_ops->getproperty(node, p->name,
 					p->value, p->length);
+
+			if (len != p->length)
+				pr_err("prop: %s %d => %d", p->name, p->length, len);
+
 			if (len <= 0)
 				p->length = 0;
 			((unsigned char *)p->value)[p->length] = '\0';
@@ -161,8 +165,13 @@ static char * __init of_pdt_get_one_property(phandle node, const char *name)
 
 	len = of_pdt_prom_ops->getproplen(node, name);
 	if (len > 0) {
+		int proplen;
 		buf = prom_early_alloc(len);
-		len = of_pdt_prom_ops->getproperty(node, name, buf, len);
+		proplen = of_pdt_prom_ops->getproperty(node, name, buf, len);
+
+		if (proplen != len)
+			pr_err("prop: %s %d => %d\n", name, len, proplen);
+
 	}
 
 	return buf;