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path: root/security/integrity/evm/evm_main.c
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Diffstat (limited to 'security/integrity/evm/evm_main.c')
-rw-r--r--security/integrity/evm/evm_main.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 0fa8261c365..bfe44dff61b 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -56,13 +56,15 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry,
struct evm_ima_xattr_data xattr_data;
int rc;
- if (iint->hmac_status != INTEGRITY_UNKNOWN)
+ if (iint->hmac_status == INTEGRITY_PASS)
return iint->hmac_status;
+ /* if status is not PASS, try to check again - against -ENOMEM */
+
rc = evm_calc_hmac(dentry, xattr_name, xattr_value,
xattr_value_len, xattr_data.digest);
if (rc < 0)
- return INTEGRITY_UNKNOWN;
+ goto err_out;
xattr_data.type = EVM_XATTR_HMAC;
rc = vfs_xattr_cmp(dentry, XATTR_NAME_EVM, (u8 *)&xattr_data,
@@ -77,11 +79,8 @@ err_out:
case -ENODATA: /* file not labelled */
iint->hmac_status = INTEGRITY_NOLABEL;
break;
- case -EINVAL:
- iint->hmac_status = INTEGRITY_FAIL;
- break;
default:
- iint->hmac_status = INTEGRITY_UNKNOWN;
+ iint->hmac_status = INTEGRITY_FAIL;
}
return iint->hmac_status;
}