lkml.org 
[lkml]   [2016]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] i2c-dev: Don't block the adapter from unregistering
On 06-07-16, 17:04, Peter Rosin wrote:
> Exactly, so the stored address had better be correct, and in

No.

> that case there is no need for the new adapter_nr in every
> client, you could just go with client->adapter->nr instead.

client->adapter may be a dangling pointer at this point if the adapter
is freed, so we can't use that blindly for sure.

> Which just shows that the whole thing is fishy and that the
> adapter has to remain alive. BTW, is there any guarantee that
> adapter numbers will not get reused?

We are allocating them from idr and that will reuse them once they get
freed.

--
viresh

\
 
 \ /
  Last update: 2016-07-06 18:01    [W:0.040 / U:0.276 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site