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authorJonathan Corbet <corbet@lwn.net>2019-06-14 22:18:53 +0200
committerJonathan Corbet <corbet@lwn.net>2019-06-14 22:18:53 +0200
commit8afecfb0ec961e37e61b2d19c4fa71617a9482de (patch)
treec43ea51a47b1e76b762caa4c1b0c356249e5e874 /security/integrity/evm/evm_crypto.c
parentDocumentation: Remove duplicate x86 index entry (diff)
parentLinux 5.2-rc4 (diff)
downloadlinux-8afecfb0ec961e37e61b2d19c4fa71617a9482de.tar.xz
linux-8afecfb0ec961e37e61b2d19c4fa71617a9482de.zip
Merge tag 'v5.2-rc4' into mauro
We need to pick up post-rc1 changes to various document files so they don't get lost in Mauro's massive RST conversion push.
Diffstat (limited to 'security/integrity/evm/evm_crypto.c')
-rw-r--r--security/integrity/evm/evm_crypto.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index e11564eb645b..d485f6fc908e 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2005-2010 IBM Corporation
*
@@ -5,10 +6,6 @@
* Mimi Zohar <zohar@us.ibm.com>
* Kylene Hall <kjhall@us.ibm.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
* File: evm_crypto.c
* Using root's kernel master key (kmk), calculate the HMAC
*/
@@ -89,6 +86,9 @@ static struct shash_desc *init_desc(char type, uint8_t hash_algo)
tfm = &hmac_tfm;
algo = evm_hmac;
} else {
+ if (hash_algo >= HASH_ALGO__LAST)
+ return ERR_PTR(-EINVAL);
+
tfm = &evm_tfm[hash_algo];
algo = hash_algo_name[hash_algo];
}