linux-kernel - [PATCH linux-next] power:pkeys: fix bugon.cocci warnings

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Message-Id: <20210825064228.70487-1-deng.changcheng@zte.com.cn>
Date:   Tue, 24 Aug 2021 23:42:28 -0700
From:   CGEL <cgel.zte@...il.com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Sandipan Das <sandipan@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc:     Jing Yangyang <jing.yangyang@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] power:pkeys: fix bugon.cocci warnings

From: Jing Yangyang <jing.yangyang@....com.cn>

Use BUG_ON instead of a if condition followed by BUG.

./arch/powerpc/include/asm/book3s/64/pkeys.h:21:2-5:WARNING
Use BUG_ON instead of if condition followed by BUG.
./arch/powerpc/include/asm/book3s/64/pkeys.h:14:2-5:WARNING
Use BUG_ON instead of if condition followed by BUG.

Generated by: scripts/coccinelle/misc/bugon.cocci

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jing Yangyang <jing.yangyang@....com.cn>
---
 arch/powerpc/include/asm/book3s/64/pkeys.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/include/asm/book3s/64/pkeys.h b/arch/powerpc/include/asm/book3s/64/pkeys.h
index 5b17813..5f74f0c 100644
--- a/arch/powerpc/include/asm/book3s/64/pkeys.h
+++ b/arch/powerpc/include/asm/book3s/64/pkeys.h
@@ -10,15 +10,13 @@ static inline u64 vmflag_to_pte_pkey_bits(u64 vm_flags)
 	if (!mmu_has_feature(MMU_FTR_PKEY))
 		return 0x0UL;
 
-	if (radix_enabled())
-		BUG();
+	BUG_ON(radix_enabled());
 	return hash__vmflag_to_pte_pkey_bits(vm_flags);
 }
 
 static inline u16 pte_to_pkey_bits(u64 pteflags)
 {
-	if (radix_enabled())
-		BUG();
+	BUG_ON(radix_enabled());
 	return hash__pte_to_pkey_bits(pteflags);
 }
 
-- 
1.8.3.1