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evm: Clean up some variables

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Make hmac_tfm static since it's not used anywhere else besides the file
it is in.

Remove declaration of hash_tfm since it doesn't exist.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Stefan Berger 2022-05-13 13:41:05 -04:00 committed by Mimi Zohar
parent e11afdbb22
commit 4c41186ff3
2 changed files with 1 additions and 4 deletions
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3
security/integrity/evm/evm.h
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@ -38,9 +38,6 @@ extern int evm_initialized;
extern int evm_hmac_attrs;
extern struct crypto_shash *hmac_tfm;
extern struct crypto_shash *hash_tfm;
/* List of EVM protected security xattrs */
extern struct list_head evm_config_xattrnames;

2
security/integrity/evm/evm_crypto.c
View File

@ -26,7 +26,7 @@
static unsigned char evmkey[MAX_KEY_SIZE];
static const int evmkey_len = MAX_KEY_SIZE;
struct crypto_shash *hmac_tfm;
static struct crypto_shash *hmac_tfm;
static struct crypto_shash *evm_tfm[HASH_ALGO__LAST];
static DEFINE_MUTEX(mutex);