From: Bin Meng <[email protected]> The FDT blob might not have sufficient space to hold a copy of reserved memory node. Expand it before the copy.
Reported-by: Rick Chen <[email protected]> Signed-off-by: Bin Meng <[email protected]> --- arch/riscv/lib/fdt_fixup.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/riscv/lib/fdt_fixup.c b/arch/riscv/lib/fdt_fixup.c index 5f523f0..1290a64 100644 --- a/arch/riscv/lib/fdt_fixup.c +++ b/arch/riscv/lib/fdt_fixup.c @@ -41,6 +41,12 @@ int riscv_fdt_copy_resv_mem_node(const void *src, void *dst) return 0; } + err = fdt_open_into(dst, dst, fdt_totalsize(dst) + 32); + if (err < 0) { + printf("Device Tree can't be expanded to accommodate new node"); + return err; + } + fdt_for_each_subnode(node, src, offset) { name = fdt_get_name(src, node, NULL); -- 2.7.4

