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From: Jon Loeliger <jdl-CYoMK+44s/E@public.gmane.org>
To: Jon Loeliger <jdl-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: devicetree-discuss
	<devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org>,
	Stephen Papacharalambous
	<SteveP-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Subject: Re: [PATCH] Fix an overflow case in fdt_offset_ptr() detected by GCC 4.3.
Date: Mon, 29 Sep 2008 16:13:27 -0500	[thread overview]
Message-ID: <E1KkQ3b-0000uT-6H@jdl.com> (raw)
In-Reply-To: <1222358537.25112.7.camel@ld0161-tx32>

> 
> Using Gcc 4.3 detected this problem:
> 
>     ../dtc/libfdt/fdt.c: In function 'fdt_next_tag':
>     ../dtc/libfdt/fdt.c:82: error: assuming signed overflow does not
>     occur when assuming that (X + c) < X is always false
> 
> To fix the problem, treat the offset as an unsigned int.
> 
> The problem report and proposed fix were provided
> by Steve Papacharalambous <stevep-KZfg59tc24xl57MIdRCFDg@public.gmane.org>.
> 
> Signed-off-by: Jon Loeliger <jdl-KZfg59tc24xl57MIdRCFDg@public.gmane.org>

Applied.

jdl

  parent reply	other threads:[~2008-09-29 21:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-25 16:02 [PATCH] Fix an overflow case in fdt_offset_ptr() detected by GCC 4.3 Jon Loeliger
2008-09-26  1:29 ` David Gibson
2008-09-29 21:13 ` Jon Loeliger [this message]
     [not found]   ` <E1KkQ3b-0000uT-6H-CYoMK+44s/E@public.gmane.org>
2008-09-30  1:15     ` David Gibson
     [not found]       ` <20080930011525.GB6189-787xzQ0H9iRg7VrjXcPTGA@public.gmane.org>
2008-09-30  1:51         ` Jon Loeliger
     [not found]           ` <E1KkUOE-0001OX-EF-CYoMK+44s/E@public.gmane.org>
2008-09-30  2:39             ` David Gibson
     [not found]               ` <20080930023934.GB8939-787xzQ0H9iRg7VrjXcPTGA@public.gmane.org>
2008-09-30  8:03                 ` Steve Papacharalambous
2008-09-30 16:28                 ` Scott Wood
     [not found]                   ` <48E253A2.1090702-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2008-10-01  1:19                     ` David Gibson

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