Subject: Re: [PATCH net 2/4] sfc: take correct lock in ef100_reset()

From: Jesse Brandeburg <[email-masked]>
Date: Tue, 18 Aug 2020 11:55:57 -0700

On Tue, 18 Aug 2020 13:43:57 +0100
Edward Cree <[email-masked]> wrote:

> When downing and upping the ef100 filter table, we need to take a
> write lock on efx->filter_sem, not just a read lock, because we may
> kfree() the table pointers.
> Without this, resets cause a WARN_ON from
> efx_rwsem_assert_write_locked().
> 
> Fixes: a9dc3d5612ce ("sfc_ef100: RX filter table management and
> related gubbins")
> Signed-off-by: Edward Cree <[email-masked]>

Fix makes sense
Reviewed-by: Jesse Brandeburg <[email-masked]>