linux-kernel - [PATCH] security: min_addr: use max() to improve code

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Message-Id: <20250814142653.283355-1-rongqianfeng@vivo.com>
Date: Thu, 14 Aug 2025 22:26:53 +0800
From: Qianfeng Rong <rongqianfeng@...o.com>
To: Paul Moore <paul@...l-moore.com>,
	James Morris <jmorris@...ei.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Qianfeng Rong <rongqianfeng@...o.com>
Subject: [PATCH] security: min_addr: use max() to improve code

Use max() to reduce the code in update_mmap_min_addr() and improve its
readability.

Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
---
 security/min_addr.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/security/min_addr.c b/security/min_addr.c
index df1bc643d886..50035bc9281c 100644
--- a/security/min_addr.c
+++ b/security/min_addr.c
@@ -16,10 +16,7 @@ unsigned long dac_mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR;
 static void update_mmap_min_addr(void)
 {
 #ifdef CONFIG_LSM_MMAP_MIN_ADDR
-	if (dac_mmap_min_addr > CONFIG_LSM_MMAP_MIN_ADDR)
-		mmap_min_addr = dac_mmap_min_addr;
-	else
-		mmap_min_addr = CONFIG_LSM_MMAP_MIN_ADDR;
+	mmap_min_addr = max(dac_mmap_min_addr, CONFIG_LSM_MMAP_MIN_ADDR);
 #else
 	mmap_min_addr = dac_mmap_min_addr;
 #endif
-- 
2.34.1