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-rw-r--r--common/fdt_support.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 75d0858e76..ced119e70d 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -940,7 +940,8 @@ void fdt_del_node_and_alias(void *blob, const char *alias)
/* Max address size we deal with */
#define OF_MAX_ADDR_CELLS 4
#define OF_BAD_ADDR FDT_ADDR_T_NONE
-#define OF_CHECK_COUNTS(na) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS)
+#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
+ (ns) > 0)
/* Debug utility */
#ifdef DEBUG
@@ -1108,7 +1109,7 @@ static u64 __of_translate_address(void *blob, int node_offset, const fdt32_t *in
/* Cound address cells & copy address locally */
bus->count_cells(blob, parent, &na, &ns);
- if (!OF_CHECK_COUNTS(na)) {
+ if (!OF_CHECK_COUNTS(na, ns)) {
printf("%s: Bad cell count for %s\n", __FUNCTION__,
fdt_get_name(blob, node_offset, NULL));
goto bail;
@@ -1135,7 +1136,7 @@ static u64 __of_translate_address(void *blob, int node_offset, const fdt32_t *in
/* Get new parent bus and counts */
pbus = &of_busses[0];
pbus->count_cells(blob, parent, &pna, &pns);
- if (!OF_CHECK_COUNTS(pna)) {
+ if (!OF_CHECK_COUNTS(pna, pns)) {
printf("%s: Bad cell count for %s\n", __FUNCTION__,
fdt_get_name(blob, node_offset, NULL));
break;