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.
Signed-off-by: Zhen Lei <thunder.leiz...@huawei.com>
---
drivers/of/of_numa.c | 5 +++++
1 file changed, 5 insertions(+)
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 @@ 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);
--
2.5.0
