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mkimage: Automatically expand FDT in more cases 

The original code did not cover every case and there was a missing negative
sign in one case. Expand the coverage and fix the bug.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-06-12 07:24:42 -06:00 committed by Tom Rini
parent 04819a4ff1
commit 597a8b2c68
2 changed files with 21 additions and 10 deletions
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27
lib/rsa/rsa-sign.c
View File

@ -405,11 +405,15 @@ int rsa_add_verify_data(struct image_sign_info *info, void *keydest)
if (parent == -FDT_ERR_NOTFOUND) {
parent = fdt_add_subnode(keydest, 0, FIT_SIG_NODENAME);
if (parent < 0) {
fprintf(stderr, "Couldn't create signature node: %s\n",
fdt_strerror(parent));
return -EINVAL;
ret = parent;
if (ret != -FDT_ERR_NOSPACE) {
fprintf(stderr, "Couldn't create signature node: %s\n",
fdt_strerror(parent));
}
}
}
if (ret)
goto done;
/* Either create or overwrite the named key node */
snprintf(name, sizeof(name), "key-%s", info->keyname);
@ -417,18 +421,22 @@ int rsa_add_verify_data(struct image_sign_info *info, void *keydest)
if (node == -FDT_ERR_NOTFOUND) {
node = fdt_add_subnode(keydest, parent, name);
if (node < 0) {
fprintf(stderr, "Could not create key subnode: %s\n",
fdt_strerror(node));
return -EINVAL;
ret = node;
if (ret != -FDT_ERR_NOSPACE) {
fprintf(stderr, "Could not create key subnode: %s\n",
fdt_strerror(node));
}
}
} else if (node < 0) {
fprintf(stderr, "Cannot select keys parent: %s\n",
fdt_strerror(node));
return -ENOSPC;
ret = node;
}
ret = fdt_setprop_string(keydest, node, "key-name-hint",
if (!ret) {
ret = fdt_setprop_string(keydest, node, "key-name-hint",
info->keyname);
}
if (!ret)
ret = fdt_setprop_u32(keydest, node, "rsa,num-bits", bits);
if (!ret)
@ -449,10 +457,11 @@ int rsa_add_verify_data(struct image_sign_info *info, void *keydest)
ret = fdt_setprop_string(keydest, node, "required",
info->require_keys);
}
done:
BN_free(modulus);
BN_free(r_squared);
if (ret)
return ret == FDT_ERR_NOSPACE ? -ENOSPC : -EIO;
return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -EIO;
return 0;
}

4
tools/image-host.c
View File

@ -609,11 +609,13 @@ static int fit_config_process_sig(const char *keydir, void *keydest,
/* Write the public key into the supplied FDT file */
if (keydest) {
ret = info.algo->add_verify_data(&info, keydest);
if (ret == -ENOSPC)
return -ENOSPC;
if (ret) {
printf("Failed to add verification data for '%s' signature node in '%s' image node\n",
node_name, conf_name);
return ret == FDT_ERR_NOSPACE ? -ENOSPC : -EIO;
}
return ret;
}
return 0;