Index: kernel/generic/src/sysinfo/sysinfo.c
===================================================================
--- kernel/generic/src/sysinfo/sysinfo.c	(revision d9fae23532028671526d24c90116318f54d92d29)
+++ kernel/generic/src/sysinfo/sysinfo.c	(revision b658c5dcfbdf75d4121c595dd0f965265d2b16cd)
@@ -53,4 +53,5 @@
 	item->val_type = SYSINFO_VAL_UNDEFINED;
 	item->subtree_type = SYSINFO_SUBTREE_NONE;
+	item->subtree.table = NULL;
 	item->next = NULL;
 	
@@ -116,4 +117,6 @@
     sysinfo_item_t **psubtree)
 {
+	ASSERT(psubtree != NULL);
+	
 	if (*psubtree == NULL) {
 		/* No parent */