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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>
hifive-unleashed-5.1
Zhen Lei 2016-09-01 14:54:54 +08:00 committed by Will Deacon
parent 84b14256c1
commit 571a588fec
1 changed files with 5 additions and 0 deletions
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5
drivers/of/of_numa.c
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@ -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);