linux-kernel - [PATCH linux-next] mm: remove redundant pte variable

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Message-ID: <202211282107437343474@zte.com.cn>
Date:   Mon, 28 Nov 2022 21:07:43 +0800 (CST)
From:   <zhang.songyi@....com.cn>
To:     <akpm@...ux-foundation.org>
Cc:     <yuzhao@...gle.com>, <peterz@...radead.org>, <david@...hat.com>,
        <jgross@...e.com>, <tongtiangen@...wei.com>,
        <liushixin2@...wei.com>, <anshuman.khandual@....com>,
        <namit@...are.com>, <kunyu@...china.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH linux-next] mm: remove redundant pte variable

From: zhang songyi <zhang.songyi@....com.cn>

Return value from ptep_get_and_clear_full() directly instead of taking
this in another redundant variable.

Signed-off-by: zhang songyi <zhang.songyi@....com.cn>
---
 include/linux/pgtable.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 576093de8b1c..1159b25b0542 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -456,9 +456,7 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm,
                                            unsigned long address, pte_t *ptep,
                                            int full)
 {
-       pte_t pte;
-       pte = ptep_get_and_clear(mm, address, ptep);
-       return pte;
+       return ptep_get_and_clear(mm, address, ptep);
 }
 #endif

--
2.15.2