ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
if (ffd < 0)
return EXIT_FAILURE;
kfd = mmap_fdt(cmdname, keyfile, 0, &key_blob, &ksbuf, false);
ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
if (ffd < 0)
return EXIT_FAILURE;
kfd = mmap_fdt(cmdname, keyfile, 0, &key_blob, &ksbuf, false);