On 2/24/14, Jonathan Corbet <cor...@lwn.net> wrote:
> So I was just looking things over quickly, and something jumped out at
> me. In ep_control():
>
>> + } else if (!(*io) && epi) {
>> + /* delete this eventpoll entry */
>> + if (is_file_epoll(target)) {
>> + tep = target->private_data;
>> + mutex_lock_nested(&tep->mtx, 1);
>> + }
>> + if (is_file_epoll(target))
>> + mutex_lock_nested(&tep->mtx, 1);
>
> How could that possibly work? I can't imagine tep->mtx is going to
> react well to being locked a second time...
Wow...I have no idea how I missed that, must've been moving stuff
around and accidentally duplicated that somehow. Thanks for setting
me straight, this is why I like to start with an RFC :)
Appreciate the input,
Nate
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