[RESEND PATCH] makedumpfile: ARM: fix bug on sparse_decode_mem_map

[Atsushi Kumagai]

>In sparse_decode_mem_map, makedumpfile checks whether coded_mem_map
>is a vald vaddr. But coded_mem_map is not real vaddr. So this patch
>checks decoded_mem_map instead.
>
>Signed-off-by: Liu Hua <sdu.liu at huawei.com>

Thanks, I'll merge this patch into v1.5.7.

Atsushi Kumagai

>---
> makedumpfile.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
>diff --git a/makedumpfile.c b/makedumpfile.c
>index 16081a5..94515f6 100644
>--- a/makedumpfile.c
>+++ b/makedumpfile.c
>@@ -2794,13 +2794,15 @@ section_mem_map_addr(unsigned long addr)
> unsigned long
> sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long section_nr)
> {
>-	if (!is_kvaddr(coded_mem_map))
>-		return NOT_KV_ADDR;
>+	unsigned long mem_map;
>
>-	return coded_mem_map +
>+	mem_map =  coded_mem_map +
> 	    (SECTION_NR_TO_PFN(section_nr) * SIZE(page));
>-}
>
>+	if (!is_kvaddr(mem_map))
>+		return NOT_KV_ADDR;
>+	return mem_map;
>+}
> int
> get_mm_sparsemem(void)
> {
>--
>1.9.0