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Merge tag 'efi-2020-07-rc5-2' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

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Pull request for UEFI sub-system for efi-2020-07-rc5 (2)

Fix memory reservations: do not use random bytes from the stack.
This commit is contained in:
Tom Rini
2020-06-19 14:22:23 -04:00
parent 1e389a434a 0d7c2913fd
commit 2b8692bac1
1 changed files with 6 additions and 3 deletions
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9
cmd/bootefi.c
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@@ -189,16 +189,19 @@ static void efi_carve_out_dt_rsv(void *fdt)
if (nodeoffset >= 0) {
subnode = fdt_first_subnode(fdt, nodeoffset);
while (subnode >= 0) {
fdt_addr_t fdt_addr, fdt_size;
/* check if this subnode has a reg property */
addr = fdtdec_get_addr_size(fdt, subnode, "reg",
(fdt_size_t *)&size);
fdt_addr = fdtdec_get_addr_size_auto_parent(
fdt, nodeoffset, subnode,
"reg", 0, &fdt_size, false);
/*
* The /reserved-memory node may have children with
* a size instead of a reg property.
*/
if (addr != FDT_ADDR_T_NONE &&
fdtdec_get_is_enabled(fdt, subnode))
efi_reserve_memory(addr, size);
efi_reserve_memory(fdt_addr, fdt_size);
subnode = fdt_next_subnode(fdt, subnode);
}
}