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author | 2017-10-11 12:11:12 -0700 | |
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committer | 2017-11-08 15:16:36 -0500 | |
commit | 0485d066d82c308e28e76b7fc6cdec46ae46eeb6 (patch) | |
tree | 2f8df336d7bb3cdafa24ee19627c512413286dca /security/integrity | |
parent | EVM: Allow userspace to signal an RSA key has been loaded (diff) | |
download | linux-0485d066d82c308e28e76b7fc6cdec46ae46eeb6.tar.gz linux-0485d066d82c308e28e76b7fc6cdec46ae46eeb6.tar.bz2 linux-0485d066d82c308e28e76b7fc6cdec46ae46eeb6.zip |
EVM: Only complain about a missing HMAC key once
A system can validate EVM digital signatures without requiring an HMAC
key, but every EVM validation will generate a kernel error. Change this
so we only generate an error once.
Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Diffstat (limited to 'security/integrity')
-rw-r--r-- | security/integrity/evm/evm_crypto.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c index 1d32cd20009a..bcd64baf8788 100644 --- a/security/integrity/evm/evm_crypto.c +++ b/security/integrity/evm/evm_crypto.c @@ -80,7 +80,7 @@ static struct shash_desc *init_desc(char type) if (type == EVM_XATTR_HMAC) { if (!(evm_initialized & EVM_INIT_HMAC)) { - pr_err("HMAC key is not set\n"); + pr_err_once("HMAC key is not set\n"); return ERR_PTR(-ENOKEY); } tfm = &hmac_tfm; |