linux-kernel - [PATCH linux-next] um: Replace if (cond) BUG() with BUG

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Date:   Fri, 27 Aug 2021 18:11:08 -0700
From:   CGEL <cgel.zte@...il.com>
To:     Jeff Dike <jdike@...toit.com>
Cc:     Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Yang Li <yang.lee@...ux.alibaba.com>,
        Christophe Leroy <christophe.leroy@....fr>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Changcheng Deng <deng.changcheng@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] um: Replace if (cond) BUG() with BUG_ON()

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

Fix the following coccinelle reports:

./arch/um/kernel/mem.c:89:2-5: WARNING: Use BUG_ON instead of if
condition followed by BUG.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@....com.cn>
---
 arch/um/kernel/mem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 8e636ce..1810e69 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -85,8 +85,7 @@ static void __init one_md_table_init(pud_t *pud)
 		      __func__, PAGE_SIZE, PAGE_SIZE);
 
 	set_pud(pud, __pud(_KERNPG_TABLE + (unsigned long) __pa(pmd_table)));
-	if (pmd_table != pmd_offset(pud, 0))
-		BUG();
+	BUG_ON(pmd_table != pmd_offset(pud, 0));
 #endif
 }
 
-- 
1.8.3.1