From 0485d066d82c308e28e76b7fc6cdec46ae46eeb6 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Wed, 11 Oct 2017 12:11:12 -0700 Subject: 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 Signed-off-by: Mimi Zohar --- security/integrity/evm/evm_crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'security') 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; -- cgit