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From: Scott Wood <scottwood@freescale.com>
To: Timur Tabi <timur@freescale.com>
Cc: linuxppc-dev@ozlabs.org, Sylvain Munaut <tnt@246tNt.com>
Subject: Re: [PATCH] powerpc: change rheap functions to use long integers instead of pointers
Date: Wed, 04 Apr 2007 13:24:15 -0500	[thread overview]
Message-ID: <4613ED4F.2030203@freescale.com> (raw)
In-Reply-To: <4613EC2F.80109@freescale.com>

Timur Tabi wrote:
> Scott's right.  rh_attach_region() never supported anything above 
> "(unsigned long) -MAXERR".  Perhaps I should add a check for that?
> 
>     /* Round start up */
>     s = (s + m) & ~m;
> 
> +    if (IS_ERR_VALUE(s))
> +        return -EINVAL;
> 
>     /* Round end down */
>     e = e & ~m;
> 
> The same patch should be applied to rh_detach_region() and 
> rh_alloc_fixed().

You should check "e" instead, and make sure that s < e.

-Scott

  reply	other threads:[~2007-04-04 18:24 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-03 16:02 [PATCH] powerpc: change rheap functions to use long integers instead of pointers Timur Tabi
2007-04-04 16:42 ` Kumar Gala
2007-04-04 17:36   ` Pantelis Antoniou
2007-04-04 17:42   ` Timur Tabi
2007-04-04 18:00     ` Sylvain Munaut
2007-04-04 18:05       ` Timur Tabi
2007-04-04 18:13       ` Timur Tabi
2007-04-04 19:15         ` Dan Malek
2007-04-04 19:20           ` Timur Tabi
2007-04-04 19:31             ` Sylvain Munaut
2007-04-04 18:13       ` Scott Wood
2007-04-04 18:19         ` Timur Tabi
2007-04-04 18:24           ` Scott Wood [this message]
2007-04-04 18:27             ` Timur Tabi
2007-04-04 18:31               ` Scott Wood
2007-04-04 18:34                 ` Timur Tabi

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