diff options
| -rw-r--r-- | security/keys/trusted_defined.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/security/keys/trusted_defined.c b/security/keys/trusted_defined.c index f7d06776faf0..2836c6dc18a3 100644 --- a/security/keys/trusted_defined.c +++ b/security/keys/trusted_defined.c @@ -150,17 +150,15 @@ static int TSS_authhmac(unsigned char *digest, const unsigned char *key, data = va_arg(argp, unsigned char *); if (!data) { ret = -EINVAL; - va_end(argp); - goto out; + break; } ret = crypto_shash_update(&sdesc->shash, data, dlen); - if (ret < 0) { - va_end(argp); - goto out; - } + if (ret < 0) + break; } va_end(argp); - ret = crypto_shash_final(&sdesc->shash, paramdigest); + if (!ret) + ret = crypto_shash_final(&sdesc->shash, paramdigest); if (!ret) ret = TSS_rawhmac(digest, key, keylen, SHA1_DIGEST_SIZE, paramdigest, TPM_NONCE_SIZE, h1, @@ -229,13 +227,12 @@ static int TSS_checkhmac1(unsigned char *buffer, break; dpos = va_arg(argp, unsigned int); ret = crypto_shash_update(&sdesc->shash, buffer + dpos, dlen); - if (ret < 0) { - va_end(argp); - goto out; - } + if (ret < 0) + break; } va_end(argp); - ret = crypto_shash_final(&sdesc->shash, paramdigest); + if (!ret) + ret = crypto_shash_final(&sdesc->shash, paramdigest); if (ret < 0) goto out; @@ -323,13 +320,12 @@ static int TSS_checkhmac2(unsigned char *buffer, break; dpos = va_arg(argp, unsigned int); ret = crypto_shash_update(&sdesc->shash, buffer + dpos, dlen); - if (ret < 0) { - va_end(argp); - goto out; - } + if (ret < 0) + break; } va_end(argp); - ret = crypto_shash_final(&sdesc->shash, paramdigest); + if (!ret) + ret = crypto_shash_final(&sdesc->shash, paramdigest); if (ret < 0) goto out; |