linux-kernel - Re: [PATCH] Fix ppc32 zImage inflate

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Message-ID: <20060722172734.GK24522@smtp.west.cox.net>
Date:	Sat, 22 Jul 2006 10:27:34 -0700
From:	Tom Rini <trini@...nel.crashing.org>
To:	Peter Korsgaard <jacmet@...site.dk>, Andrew Morton <akpm@...l.org>
Cc:	rpurdie@...ys.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix ppc32 zImage inflate

On Thu, Jul 20, 2006 at 06:01:23AM +0200, Peter Korsgaard wrote:
> >>>>> "Peter" == Peter Korsgaard <jacmet@...site.dk> writes:
> 
>  Peter> Hi,
>  Peter> The recent zlib update (commit
>  Peter> 4f3865fb57a04db7cca068fed1c15badc064a302) broke ppc32 zImage
>  Peter> decompression as it tries to decompress to address zero and the
>  Peter> updated zlib_inflate checks that strm->next_out isn't a null pointer.
> 
>  Peter> This little patch fixes it.
> 
> Crap - forgot to sign off :/
> 

Acked-by: Tom Rini <trini@...nel.crashing.org>

> Signed-off-by: Peter Korsgaard <jacmet@...site.dk>
> 
> diff -Naur linux-2.6.18-rc2.orig/lib/zlib_inflate/inflate.c linux-2.6.18-rc2/lib/zlib_inflate/inflate.c
> --- linux-2.6.18-rc2.orig/lib/zlib_inflate/inflate.c	2006-07-20 10:26:21.000000000 +0200
> +++ linux-2.6.18-rc2/lib/zlib_inflate/inflate.c	2006-07-20 17:02:27.000000000 +0200
> @@ -347,7 +347,7 @@
>      static const unsigned short order[19] = /* permutation of code lengths */
>          {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
>  
> -    if (strm == NULL || strm->state == NULL || strm->next_out == NULL ||
> +    if (strm == NULL || strm->state == NULL ||
>          (strm->next_in == NULL && strm->avail_in != 0))
>          return Z_STREAM_ERROR;
> 
> -- 
> Bye, Peter Korsgaard
> -
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-- 
Tom Rini
-
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