svn commit: r215120 - head/sys/dev/ofw

[Rafal Jaworowski]

Author: raj
Date: Thu Nov 11 13:42:46 2010
New Revision: 215120
URL: http://svn.freebsd.org/changeset/base/215120

Log:
  Return IEEE 1275 compliant error codes.
  
  Submitted by:	nwhitehorn

Modified:
  head/sys/dev/ofw/ofw_fdt.c

Modified: head/sys/dev/ofw/ofw_fdt.c
==============================================================================
--- head/sys/dev/ofw/ofw_fdt.c	Thu Nov 11 13:35:23 2010	(r215119)
+++ head/sys/dev/ofw/ofw_fdt.c	Thu Nov 11 13:42:46 2010	(r215120)
@@ -221,7 +221,7 @@ ofw_fdt_instance_to_package(ofw_t ofw, i
 	 */
 	offset = fdt_node_offset_by_phandle(fdtp, instance);
 	if (offset < 0)
-		return (0);
+		return (-1);
 
 	p = (phandle_t)fdt_offset_ptr(fdtp, offset, sizeof(phandle_t));
 	return (p);
@@ -236,7 +236,7 @@ ofw_fdt_getproplen(ofw_t ofw, phandle_t 
 
 	offset = fdt_phandle_offset(package);
 	if (offset < 0)
-		return (0);
+		return (-1);
 
 	if (strcmp(propname, "name") == 0) {
 		/* Emulate the 'name' property */
@@ -244,7 +244,7 @@ ofw_fdt_getproplen(ofw_t ofw, phandle_t 
 		return (len + 1);
 	}
 
-	len = 0;
+	len = -1;
 	prop = fdt_get_property(fdtp, offset, propname, &len);
 
 	return (len);
@@ -261,7 +261,7 @@ ofw_fdt_getprop(ofw_t ofw, phandle_t pac
 
 	offset = fdt_phandle_offset(package);
 	if (offset < 0)
-		return (0);
+		return (-1);
 
 	if (strcmp(propname, "name") == 0) {
 		/* Emulate the 'name' property */
@@ -274,7 +274,7 @@ ofw_fdt_getprop(ofw_t ofw, phandle_t pac
 
 	prop = fdt_getprop(fdtp, offset, propname, &len);
 	if (prop == NULL)
-		return (0);
+		return (-1);
 
 	if (len > buflen)
 		len = buflen;
@@ -314,7 +314,7 @@ fdt_nextprop(int offset, char *buf, size
 			depth = -1;
 	} while (depth >= 0);
 
-	return (0);
+	return (-1);
 }
 
 /*
@@ -330,7 +330,7 @@ ofw_fdt_nextprop(ofw_t ofw, phandle_t pa
 
 	offset = fdt_phandle_offset(package);
 	if (offset < 0)
-		return (0);
+		return (-1);
 
 	if (previous == NULL)
 		/* Find the first prop in the node */
@@ -341,7 +341,7 @@ ofw_fdt_nextprop(ofw_t ofw, phandle_t pa
 	 */
 	prop = fdt_get_property(fdtp, offset, previous, NULL);
 	if (prop == NULL)
-		return (0);
+		return (-1);
 
 	offset = fdt_phandle_offset((phandle_t)prop);
 	rv = fdt_nextprop(offset, buf, size);