fdt_support: fix obiwan error in OF_CHECK_COUNTS()

'#size-cells' may well legally be zero, so adjust the comparison in
OF_CHECK_COUNTS() to reflect this.

diff --git a/common/fdt_support.c b/common/fdt_support.c
index bc8db59158cd74dd543f56a1d6f65abfcfeaea90..1353651c5c5ab5fcc2009d3d9f176c5af7560fa4 100644 (file)
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -949,7 +949,7 @@ void fdt_del_node_and_alias(void *blob, const char *alias)
 #define OF_MAX_ADDR_CELLS      4
 #define OF_BAD_ADDR    FDT_ADDR_T_NONE
 #define OF_CHECK_COUNTS(na, ns)        ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
-                       (ns) > 0)
+                       (ns) >= 0)
 
 /* Debug utility */
 #ifdef DEBUG