Re: [PATCH] drivers/wireless: iwlwifi/mvm: Convert timers to use timer_setup()

From: Luca Coelho
Date: Wed Oct 25 2017 - 01:34:08 EST


On Tue, 2017-10-24 at 02:29 -0700, Kees Cook wrote:
> In preparation for unconditionally passing the struct timer_list
> pointer to
> all timer callbacks, switch to using the new timer_setup() and
> from_timer()
> to pass the timer pointer explicitly.
>
> The RCU lifetime on baid_data is unclear, so this adds a direct copy
> of the
> rcu_ptr passed to the original callback. It may be possible to
> improve this
> to just use baid_data->mvm->baid_map[baid_data->baid] instead.
>
> Cc: Johannes Berg <johannes.berg@xxxxxxxxx>
> Cc: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
> Cc: Luca Coelho <luciano.coelho@xxxxxxxxx>
> Cc: Intel Linux Wireless <linuxwifi@xxxxxxxxx>
> Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
> Cc: Sara Sharon <sara.sharon@xxxxxxxxx>
> Cc: linux-wireless@xxxxxxxxxxxxxxx
> Cc: netdev@xxxxxxxxxxxxxxx
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> ---

Thanks, Kees. I'm taking this for review on our internal tree. If all
our checks pass, I'll apply it and it will reach the mainline following
our usual upstreaming process.

--
Cheers,
Luca.