On 2016/8/26 20:39, Will Deacon wrote:
> On Wed, Aug 24, 2016 at 03:44:42PM +0800, Zhen Lei wrote:
>> Use the same tactic to cpu and numa-distance nodes.
>>
>> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
>> ---
>> drivers/of/of_numa.c | 5 +++++
>> 1 file changed, 5 insertions(+)
>
> The subject has arm64/numa, but this is clearly core OF code and
I originally added below check in arch/arm64/mm/numa.c, until Hanjun Guo
told me that it should move into drivers/of/of_numa.c
I forgot updating this.
> requires an ack from Rob.
>
> The commit message also doesn't make much sense to me.
>
>> 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;
>> + }
>
> Do you really want to return from the function here? Shouldn't we at least
> of_node_put(np), i.e. by using a break; ?
Thanks for pointing out this mistake. I will change to "r = -EINVAL" in the next version.
>
> Will
>
> .
>
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