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efi_loader: only reserve memory if fdt node enabled

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Sub-nodes of /reserved-memory may be disabled. In this case we should not
reserve memory in the memory map.

Reported-by: Patrick DELAUNAY <patrick.delaunay@st.com>
Fixes: fef907b2e4 ("efi_loader: create reservations after
ft_board_setup")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Heinrich Schuchardt 2020-03-24 07:37:52 +01:00
parent 6c0ef35cdc
commit 4ef2b0d551
1 changed files with 2 additions and 1 deletions
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3
cmd/bootefi.c
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@ -199,7 +199,8 @@ static void efi_carve_out_dt_rsv(void *fdt)
* The /reserved-memory node may have children with
* a size instead of a reg property.
*/
if (addr != FDT_ADDR_T_NONE)
if (addr != FDT_ADDR_T_NONE &&
fdtdec_get_is_enabled(fdt, subnode))
efi_reserve_memory(addr, size);
subnode = fdt_next_subnode(fdt, subnode);
}