Re: [PATCH] blk-throttle: check stats_cpu before reading it from sysfs

[Jens Axboe]

On 02/16/2015 11:16 AM, Thadeu Lima de Souza Cascardo wrote:
> When reading blkio.throttle.io_serviced in a recently created blkio
> cgroup, it's possible to race against the creation of a throttle policy,
> which delays the allocation of stats_cpu.
>
> Like other functions in the throttle code, just checking for a NULL
> stats_cpu prevents the following oops caused by that race.

Applied for this series, thanks.

--
Jens Axboe

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