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common/board_f: Respect original FDT size while relocating

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While relocating FDT we reserve some memory for the new FDT and
set the size of the FDT with that respect. But FDT may be placed
at the end of the RAM leading to memory access beyond it.
Fix this by copying exact FDT size bytes, not the reserved size.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Oleksandr Andrushchenko 2020-06-19 11:22:18 +03:00 • committed by Tom Rini
parent 23da3c682a
commit 53007fc1eb
1 changed files with 1 additions and 1 deletions
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2
common/board_f.c
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@ -670,7 +670,7 @@ static int reloc_fdt(void)
if (gd->flags & GD_FLG_SKIP_RELOC)
return 0;
if (gd->new_fdt) {
memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size);
memcpy(gd->new_fdt, gd->fdt_blob, fdt_totalsize(gd->fdt_blob));
gd->fdt_blob = gd->new_fdt;
}
#endif