linux-kernel - [PATCH 2/2] ima: Fix build warnings

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Date:   Tue,  6 Jun 2023 09:41:13 +0200
From:   Roberto Sassu <roberto.sassu@...weicloud.com>
To:     zohar@...ux.ibm.com, dmitry.kasatkin@...il.com,
        paul@...l-moore.com, jmorris@...ei.org, serge@...lyn.com
Cc:     linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Roberto Sassu <roberto.sassu@...wei.com>
Subject: [PATCH 2/2] ima: Fix build warnings

From: Roberto Sassu <roberto.sassu@...wei.com>

Fix build warnings (function parameters description) for
ima_collect_modsig(), ima_match_policy() and ima_parse_add_rule().

Fixes: 15588227e086 ("ima: Collect modsig")
Fixes: 2fe5d6def167 ("ima: integrity appraisal extension")
Fixes: 4af4662fa4a9 ("integrity: IMA policy")
Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>
---
 security/integrity/ima/ima_modsig.c | 3 +++
 security/integrity/ima/ima_policy.c | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/security/integrity/ima/ima_modsig.c b/security/integrity/ima/ima_modsig.c
index fb25723c65b..3e7bee30080 100644
--- a/security/integrity/ima/ima_modsig.c
+++ b/security/integrity/ima/ima_modsig.c
@@ -89,6 +89,9 @@ int ima_read_modsig(enum ima_hooks func, const void *buf, loff_t buf_len,
 
 /**
  * ima_collect_modsig - Calculate the file hash without the appended signature.
+ * @modsig: parsed module signature
+ * @buf: data to verify the signature on
+ * @size: data size
  *
  * Since the modsig is part of the file contents, the hash used in its signature
  * isn't the same one ordinarily calculated by IMA. Therefore PKCS7 code
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index 3ca8b7348c2..c9b3bd8f1bb 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -721,6 +721,7 @@ static int get_subaction(struct ima_rule_entry *rule, enum ima_hooks func)
  * @secid: LSM secid of the task to be validated
  * @func: IMA hook identifier
  * @mask: requested action (MAY_READ | MAY_WRITE | MAY_APPEND | MAY_EXEC)
+ * @flags: IMA actions to consider (e.g. IMA_MEASURE | IMA_APPRAISE)
  * @pcr: set the pcr to extend
  * @template_desc: the template that should be used for this rule
  * @func_data: func specific data, may be NULL
@@ -1915,7 +1916,7 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry)
 
 /**
  * ima_parse_add_rule - add a rule to ima_policy_rules
- * @rule - ima measurement policy rule
+ * @rule: ima measurement policy rule
  *
  * Avoid locking by allowing just one writer at a time in ima_write_policy()
  * Returns the length of the rule parsed, an error code on failure
-- 
2.25.1