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From: Detlev Zundel <dzu@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [Patch] For  bug in UBIFS function ubifs_finddir
Date: Wed, 29 Jun 2011 13:35:35 +0200	[thread overview]
Message-ID: <m2tyb8swe0.fsf@ohwell.denx.de> (raw)
In-Reply-To: <4DFC750F.7050605@teamboyce.co.uk> (Rod Boyce's message of "Sat,  18 Jun 2011 10:51:11 +0100")

Hi Rod,

> Free private_data member element before freeing file structure.  This
> was causing malloc to crash.  Also remove unnecessary variable
> assigments after file structure was free'd.
>
> Signed-off-by: Rod Boyce <uboot@teamboyce.co.uk>
> ------------------------------- fs/ubifs/ubifs.c 
> ------------------------------
> diff --git a/fs/ubifs/ubifs.c b/fs/ubifs/ubifs.c
> index 5a5c739..61f70b2 100644
> --- a/fs/ubifs/ubifs.c
> +++ b/fs/ubifs/ubifs.c
> @@ -360,6 +360,8 @@
>           return err;
>       }
>
> +    if (file->private_data)
> +        kfree(file->private_data);
>       if (file)
>           free(file);
>       if (dentry)
> @@ -367,10 +369,6 @@
>       if (dir)
>           free(dir);
>
> -    if (file->private_data)
> -        kfree(file->private_data);
> -    file->private_data = NULL;
> -    file->f_pos = 2;
>       return 0;
>   }

Actually the patch looks good - though I cannot apply the patch easily:

[dzu at pollux u-boot-testing (master)]$ git am -3 ~/transfer/p1
Applying: For bug in UBIFS function ubifs_finddir
Using index info to reconstruct a base tree...
error: patch failed: fs/ubifs/ubifs.c:360
error: fs/ubifs/ubifs.c: patch does not apply
Did you hand edit your patch?
It does not apply to blobs recorded in its index.
Cannot fall back to three-way merge.
Patch failed at 0001 For bug in UBIFS function ubifs_finddir
When you have resolved this problem run "git am --resolved".
If you would prefer to skip this patch, instead run "git am --skip".
To restore the original branch and stop patching run "git am --abort".

Can you please resend the patch in a way that makes it possible to apply
to current master?  And if you do that, please change the subject line
to something more expressive.

Thanks
  Detlev

-- 
... the tools we are trying to use and the language or notation we are using to
express or record our thoughts,  are the major factors  determining what we can
think or express at all!
                                        -- Edsger W. Dijkstra
--
DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich,  Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: dzu at denx.de

  parent reply	other threads:[~2011-06-29 11:35 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-16 11:13 [U-Boot] Possible bug in UBIFS function ubifs_finddir Rod Boyce
2011-06-18  9:51 ` [U-Boot] [Patch] For " Rod Boyce
2011-06-29  8:34   ` Stefan Roese
2011-06-29 11:42     ` Detlev Zundel
2011-06-29 11:35   ` Detlev Zundel [this message]
2011-07-25 21:57   ` Wolfgang Denk
2011-07-28 13:27   ` [U-Boot] [PATCH] ubifs: Fix bad free() sequence in ubifs_finddir() Wolfgang Denk
2011-07-28 14:09     ` Rod Boyce
2011-08-19 15:22     ` Stefan Roese

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