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@xxxxxxxxxx>
---
security/integrity/evm/evm_crypto.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index 6435f12b0067..abe53b28f3e3 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;
--
2.15.0.rc0.271.g36b669edcc-goog
