of/numa: add nid check for memory block
If the numa-id which was configured in memory@ devicetree node is greater
than MAX_NUMNODES, we should report a warning. We have done this for cpus
and distance-map dt nodes, this patch help them to be consistent.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index 7b3fbdc..c1bd62c 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -75,6 +75,11 @@
*/
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);