Re: [PATCH] net: wan: lapbether.c: Use built-in RCU list checking

[David Miller <davem@xxxxxxxxxxxxx>]

From: madhuparnabhowmik04@xxxxxxxxx
Date: Wed, 15 Jan 2020 17:11:01 +0530

> From: Madhuparna Bhowmik <madhuparnabhowmik04@xxxxxxxxx>
> 
> The only callers of the function lapbeth_get_x25_dev()
> are lapbeth_rcv() and lapbeth_device_event().
> 
> lapbeth_rcv() uses rcu_read_lock() whereas lapbeth_device_event()
> is called with RTNL held (As mentioned in the comments).
> 
> Therefore, pass lockdep_rtnl_is_held() as cond argument in
> list_for_each_entry_rcu();
> 
> Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@xxxxxxxxx>

Applied.