linux-kernel - [PATCH] audit: remove redundant condition check in kauditd

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Message-ID: <7869bb43-5cb1-270a-07d1-31574595e13e@huawei.com>
Date:   Wed, 23 Oct 2019 21:27:34 +0800
From:   Yunfeng Ye <yeyunfeng@...wei.com>
To:     <paul@...l-moore.com>, <eparis@...hat.com>
CC:     <linux-audit@...hat.com>, <linux-kernel@...r.kernel.org>,
        "hushiyuan@...wei.com" <hushiyuan@...wei.com>,
        "linfeilong@...wei.com" <linfeilong@...wei.com>
Subject: [PATCH] audit: remove redundant condition check in kauditd_thread()

Warning is found by the code analysis tool:
  "the condition 'if(ac && rc < 0)' is redundant: ac"

The @ac variable has been checked before. It can't be a null pointer
here, so remove the redundant condition check.

Signed-off-by: Yunfeng Ye <yeyunfeng@...wei.com>
---
 kernel/audit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index da8dc0db5bd3..193f3a1f4425 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -830,7 +830,7 @@ static int kauditd_thread(void *dummy)
 		rc = kauditd_send_queue(sk, portid,
 					&audit_hold_queue, UNICAST_RETRIES,
 					NULL, kauditd_rehold_skb);
-		if (ac && rc < 0) {
+		if (rc < 0) {
 			sk = NULL;
 			auditd_reset(ac);
 			goto main_queue;
@@ -840,7 +840,7 @@ static int kauditd_thread(void *dummy)
 		rc = kauditd_send_queue(sk, portid,
 					&audit_retry_queue, UNICAST_RETRIES,
 					NULL, kauditd_hold_skb);
-		if (ac && rc < 0) {
+		if (rc < 0) {
 			sk = NULL;
 			auditd_reset(ac);
 			goto main_queue;
-- 
2.7.4.3