lkml.org 
[lkml]   [2018]   [Sep]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] thunderbolt: Do not handle ICM events after domain is stopped
On Mon, Sep 03, 2018 at 04:20:11PM +0300, Mika Westerberg wrote:
> If there is a long chain of devices connected when the driver is loaded
> ICM sends device connected event for each and those are put to tb->wq
> for later processing. Now if the driver gets unloaded in the middle, so
> that the work queue is not yet empty it gets flushed by tb_domain_stop().
> However, by that time the root switch is already removed so the driver
> crashes when it tries to dereference it in ICM event handling callbacks.
>
> Fix this by checking whether the root switch is already removed. If it
> is we know that the domain is stopped and we should merely skip handling
> the event.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

Applied to thunderbolt.git/fixes.

\
 
 \ /
  Last update: 2018-09-14 09:52    [W:0.059 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site