From 3e86861d00d5cff8185a17da7e9d3b2f8fb90a99 Mon Sep 17 00:00:00 2001
From: Xichao Zhao <zhao.xichao@vivo.com>
Date: Mon, 11 Aug 2025 11:42:57 +0800
Subject: [PATCH] mm/kasan/init.c: remove unnecessary pointer variables

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

Link: https://lkml.kernel.org/r/20250811034257.154862-1-zhao.xichao@vivo.com
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 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 8fce3370c84ea..f084e7a5df1e5 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_kernel(addr, pgd,
-- 
2.47.3