[PATCH v7 03/14] arm64/numa: add nid check for memory block

Zhen Lei
2016-08-24T07:46:31Z

Use the same tactic to cpu and numa-distance nodes.

Signed-off-by: Zhen Lei <thunder.leizhen@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..afaeb9c 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);
+ return -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