Re: [PATCH] net: cgroup: fix access the unallocated memory in netpriocgroup

[Gao feng]

> Hi Gao
> 
> Is it still needed to call update_netdev_tables() from write_priomap() ?
> 

Yes, I think it's needed,because read_priomap will show all of the net devices,

But we may add the netdev after create a netprio cgroup, so the new added netdev's
priomap will not be allocated. if we don't call update_netdev_tables in write_priomap,
we may access this unallocated memory.

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