On 2014/5/8 19:11, Neil Horman wrote:
> On Thu, May 08, 2014 at 03:55:05PM +0800, Wang Weidong wrote:
>> When register_net_sysctl failed, we should free the
>> sysctl_table while the net_namespace is not init_net.
>>
>> Signed-off-by: Wang Weidong <wangweidong1@xxxxxxxxxx>
>> ---
>> net/sctp/sysctl.c | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
>> index 844d2b0..4c17694 100644
>> --- a/net/sctp/sysctl.c
>> +++ b/net/sctp/sysctl.c
>> @@ -450,6 +450,11 @@ int sctp_sysctl_net_register(struct net *net)
>> }
>>
>> net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table);
>> + if (net->sctp.sysctl_header == NULL) {
>> + if (!net_eq(net, &init_net))
>> + kfree(table);
>> + return -ENOMEM;
>> + }
> Sorry, we're not special casing this in 3 places. Why not just revert the
> origonal commit so that all the sysctl tables can be handled the same way
> Neil
>
Hi Neil,
The original commit avoids to kmemdup
>> return 0;
>> }
>>
>> --
>> 1.7.12
>>
>>
>>
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