lkml.org 
[lkml]   [2009]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [BUG] physmap_flash_probe() frees memory still in use
El Sat, Jan 31, 2009 at 12:52:50AM +0900 Atsushi Nemoto ha dit:

> On Fri, 30 Jan 2009 14:43:18 +0100, Matthias Kaehlcke <matthias@kaehlcke.net> wrote:
> > as i reported earlier in this month
> > (http://lkml.org/lkml/2009/1/12/141) MTD partition names are screwed
> > up in 2.6.29-rcX.
> >
> > commit 176bf2e0f10ecf1d20a97db3bd5bb2e6ba0b5668 deals with a memory
> > leak and frees the pointer array of mtd_partition after the call to
> > add_mtd_partitions(). the problem is that mtd_table[x]->name still
> > points to the freed memory.
>
> Oh Yes, I had missed that point. And looking at physmap driver again,
> I found that del_mtd_partition() and del_mtd_device() are abused.
> Though these APIs are robust enough, deleting right things in right
> order would be better.
>
> Could you test this patch? I cannot test it until Monday.

looks good!

Tested-By: Matthias Kaehlcke <matthias@kaehlcke.net>

--
Matthias Kaehlcke
Embedded Linux Engineer
Barcelona

If you don't know where you are going,
you will probably end up somewhere else
(Laurence J. Peter)
.''`.
using free software / Debian GNU/Linux | http://debian.org : :' :
`. `'`
gpg --keyserver pgp.mit.edu --recv-keys 47D8E5D4 `-


\
 
 \ /
  Last update: 2009-01-30 17:47    [W:0.041 / U:0.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site