lkml.org 
[lkml]   [2018]   [Apr]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v2] lan78xx: Connect phy early
From
From: Alexander Graf <agraf@suse.de>
Date: Wed, 4 Apr 2018 00:19:35 +0200

> When using wicked with a lan78xx device attached to the system, we
> end up with ethtool commands issued on the device before an ifup
> got issued. That lead to the following crash:
>
...
> The culprit is quite simple: The driver tries to access the phy left and right,
> but only actually has a working reference to it when the device is up.
>
> The fix thus is quite simple too: Get a reference to the phy on probe already
> and keep it even when the device is going down.
>
> With this patch applied, I can successfully run wicked on my system and bring
> the interface up and down as many times as I want, without getting NULL pointer
> dereferences in between.
>
> Signed-off-by: Alexander Graf <agraf@suse.de>

Applied, thank you.

\
 
 \ /
  Last update: 2018-04-04 17:43    [W:0.038 / U:12.940 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site