diff --git a/boot/bootmeth_efi.c b/boot/bootmeth_efi.c index f592fec07f6..e187dc39912 100644 --- a/boot/bootmeth_efi.c +++ b/boot/bootmeth_efi.c @@ -269,17 +269,22 @@ static int distro_efi_read_bootflow_net(struct bootflow *bflow) return log_msg_ret("fi0", -ENOMEM); /* read the DT file also */ + ret = efi_get_distro_fdt_name(fname, sizeof(fname), 0); + if (ret == -EALREADY) { + /* Prior-stage FDT is used, no download needed */ + bflow->flags |= BOOTFLOWF_USE_PRIOR_FDT; + bflow->state = BOOTFLOWST_READY; + return 0; + } else if (ret) { + return log_msg_ret("nam", ret); + } + fdt_addr_str = env_get("fdt_addr_r"); if (!fdt_addr_str) return log_msg_ret("fdt", -EINVAL); fdt_addr = hextoul(fdt_addr_str, NULL); sprintf(file_addr, "%lx", fdt_addr); - /* We only allow the first prefix with PXE */ - ret = efi_get_distro_fdt_name(fname, sizeof(fname), 0); - if (ret) - return log_msg_ret("nam", ret); - bflow->fdt_fname = strdup(fname); if (!bflow->fdt_fname) return log_msg_ret("fil", -ENOMEM);