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authorScott Wood <scottwood@freescale.com>2007-03-12 14:41:47 -0600
committerPaul Mackerras <paulus@samba.org>2007-03-13 21:15:52 +1100
commit78438b36011d8ef7d28ef63a30b11801be1eea71 (patch)
treec9fce48213623cbb3b1d37f9d05c9cad6d44d601
parentc8aa72633e65c5c215b0cdd9970642e2a4f9a9a3 (diff)
downloadop-kernel-dev-78438b36011d8ef7d28ef63a30b11801be1eea71.zip
op-kernel-dev-78438b36011d8ef7d28ef63a30b11801be1eea71.tar.gz
[POWERPC] bootwrapper: Preserve the pp pointer in ft_make_space() when calling ft_reorder().
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>
-rw-r--r--arch/powerpc/boot/flatdevtree.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/powerpc/boot/flatdevtree.c b/arch/powerpc/boot/flatdevtree.c
index 6c18773..0fa4f98 100644
--- a/arch/powerpc/boot/flatdevtree.c
+++ b/arch/powerpc/boot/flatdevtree.c
@@ -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;
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