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-rw-r--r--drivers/of/of_numa.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index 7b3fbdc0b278..c1bd62ce3144 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -75,6 +75,11 @@ static int __init of_numa_parse_memory_nodes(void)
*/
continue;
+ if (nid >= MAX_NUMNODES) {
+ pr_warn("NUMA: Node id %u exceeds maximum value\n", nid);
+ r = -EINVAL;
+ }
+
for (i = 0; !r && !of_address_to_resource(np, i, &rsrc); i++)
r = numa_add_memblk(nid, rsrc.start, rsrc.end + 1);