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| author | Matthew Garrett <mjg59@google.com> | 2017-10-11 12:11:12 -0700 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.vnet.ibm.com> | 2017-11-08 15:16:36 -0500 |
| commit | 0485d066d82c308e28e76b7fc6cdec46ae46eeb6 (patch) | |
| tree | 2f8df336d7bb3cdafa24ee19627c512413286dca | |
| parent | f00d79750712511d0a83c108eea0d44b680a915f (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>
| -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; |