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security/integrity: constify some read-only data

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Constify some static data that is never modified,
so that it is placed in .rodata.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Eric Biggers 2018-09-07 13:22:23 -07:00 • committed by Mimi Zohar
parent 691115c351
commit b2724d5802
8 changed files with 16 additions and 13 deletions
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4
security/integrity/evm/evm_crypto.c
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@ -27,7 +27,7 @@
#define EVMKEY "evm-key"
#define MAX_KEY_SIZE 128
static unsigned char evmkey[MAX_KEY_SIZE];
static int evmkey_len = MAX_KEY_SIZE;
static const int evmkey_len = MAX_KEY_SIZE;
struct crypto_shash *hmac_tfm;
static struct crypto_shash *evm_tfm[HASH_ALGO__LAST];
@ -38,7 +38,7 @@ static DEFINE_MUTEX(mutex);
static unsigned long evm_set_key_flags;
static char * const evm_hmac = "hmac(sha1)";
static const char evm_hmac[] = "hmac(sha1)";
/**
* evm_set_key() - set EVM HMAC key from the kernel