linux-kernel - [PATCH] x86: mm: fix boolreturn.cocci warning

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Date:   Fri, 26 Nov 2021 08:09:17 +0000
From:   cgel.zte@...il.com
To:     tglx@...utronix.de
Cc:     mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, hpa@...or.com, akpm@...ux-foundation.org,
        aneesh.kumar@...ux.ibm.com, sfr@...b.auug.org.au,
        deng.changcheng@....com.cn, linux-kernel@...r.kernel.org,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] x86: mm: fix boolreturn.cocci warning

From: Changcheng Deng <deng.changcheng@....com.cn>

./arch/x86/include/asm/pgtable.h: 1394: 9-10: WARNING: return of 0/1 in
function '__pte_access_permitted' with return type bool

Return statements in functions returning bool should use true/false
instead of 1/0.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@....com.cn>
---
 arch/x86/include/asm/pgtable.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 448cd01eb3ec..fc4801d1863c 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1366,7 +1366,7 @@ static inline bool __pte_access_permitted(unsigned long pteval, bool write)
 		need_pte_bits |= _PAGE_RW;
 
 	if ((pteval & need_pte_bits) != need_pte_bits)
-		return 0;
+		return false;
 
 	return __pkru_allows_pkey(pte_flags_pkey(pteval), write);
 }
-- 
2.25.1