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authorMatthew Garrett <mjg59@google.com>2017-10-11 22:11:12 +0300
committerMimi Zohar <zohar@linux.vnet.ibm.com>2017-11-08 23:16:36 +0300
commit0485d066d82c308e28e76b7fc6cdec46ae46eeb6 (patch)
tree2f8df336d7bb3cdafa24ee19627c512413286dca /security
parentf00d79750712511d0a83c108eea0d44b680a915f (diff)
downloadlinux-0485d066d82c308e28e76b7fc6cdec46ae46eeb6.tar.xz
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')
-rw-r--r--security/integrity/evm/evm_crypto.c2
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;