linux-kernel - [PATCH] mm: remove unnecessary pointer variables

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Message-Id: <20250811034257.154862-1-zhao.xichao@vivo.com>
Date: Mon, 11 Aug 2025 11:42:57 +0800
From: Xichao Zhao <zhao.xichao@...o.com>
To: ryabinin.a.a@...il.com,
	akpm@...ux-foundation.org
Cc: glider@...gle.com,
	andreyknvl@...il.com,
	dvyukov@...gle.com,
	vincenzo.frascino@....com,
	kasan-dev@...glegroups.com,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Xichao Zhao <zhao.xichao@...o.com>
Subject: [PATCH] mm: remove unnecessary pointer variables

Simplify the code to enhance readability and maintain a consistent
coding style.

Signed-off-by: Xichao Zhao <zhao.xichao@...o.com>
---
 mm/kasan/init.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/kasan/init.c b/mm/kasan/init.c
index ced6b29fcf76..e5810134813c 100644
--- a/mm/kasan/init.c
+++ b/mm/kasan/init.c
@@ -266,11 +266,9 @@ int __ref kasan_populate_early_shadow(const void *shadow_start,
 		}
 
 		if (pgd_none(*pgd)) {
-			p4d_t *p;
 
 			if (slab_is_available()) {
-				p = p4d_alloc(&init_mm, pgd, addr);
-				if (!p)
+				if (!p4d_alloc(&init_mm, pgd, addr))
 					return -ENOMEM;
 			} else {
 				pgd_populate(&init_mm, pgd,
-- 
2.34.1