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[POWERPC] bootwrapper: Preserve the pp pointer in ft_make_space() when calling ft_reorder().

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The ft_reorder() function may change the start of the region of interest,
so the pointer provided by the caller into that region must be fixed up
to still point to the same datum.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Scott Wood 2007-03-12 14:41:47 -06:00 committed by Paul Mackerras
parent c8aa72633e
commit 78438b3601
1 changed files with 8 additions and 2 deletions
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10
arch/powerpc/boot/flatdevtree.c
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@ -261,8 +261,14 @@ static int ft_make_space(struct ft_cxt *cxt, char **pp, enum ft_rgn_id rgn,
char *str, *next;
enum ft_rgn_id r;
if (!cxt->isordered && !ft_reorder(cxt, nextra))
return 0;
if (!cxt->isordered) {
unsigned long rgn_off = *pp - cxt->rgn[rgn].start;
if (!ft_reorder(cxt, nextra))
return 0;
*pp = cxt->rgn[rgn].start + rgn_off;
}
if (ft_shuffle(cxt, pp, rgn, nextra))
return 1;