linux-kernel - [PATCH] audit: Make audit_filter

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Message-Id: <20210126131151.10418-1-yang.yang29@zte.com.cn>
Date:   Tue, 26 Jan 2021 05:11:51 -0800
From:   menglong8.dong@...il.com
To:     paul@...l-moore.com
Cc:     eparis@...hat.com, linux-audit@...hat.com,
        linux-kernel@...r.kernel.org, Yang Yang <yang.yang29@....com.cn>
Subject: [PATCH] audit: Make audit_filter_syscall() return void

From: Yang Yang <yang.yang29@....com.cn>

No invoker users the return value of audit_filter_syscall().
So make it return void.

Signed-off-by: Yang Yang <yang.yang29@....com.cn>
---
 kernel/auditsc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index ce8c9e2279ba..c8e16b9c0f21 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -804,7 +804,7 @@ static int audit_in_mask(const struct audit_krule *rule, unsigned long val)
  * also not high enough that we already know we have to write an audit
  * record (i.e., the state is AUDIT_SETUP_CONTEXT or AUDIT_BUILD_CONTEXT).
  */
-static enum audit_state audit_filter_syscall(struct task_struct *tsk,
+static void audit_filter_syscall(struct task_struct *tsk,
 					     struct audit_context *ctx,
 					     struct list_head *list)
 {
@@ -812,7 +812,7 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
 	enum audit_state state;
 
 	if (auditd_test_task(tsk))
-		return AUDIT_DISABLED;
+		return;
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(e, list, list) {
@@ -821,11 +821,11 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
 				       &state, false)) {
 			rcu_read_unlock();
 			ctx->current_state = state;
-			return state;
+			return;
 		}
 	}
 	rcu_read_unlock();
-	return AUDIT_BUILD_CONTEXT;
+	return;
 }
 
 /*
-- 
2.25.1