linux-kernel - [PATCH] ia64: mca: Drop redundant spinlock initialization

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Message-ID: <1652176897-4754-1-git-send-email-baihaowen@meizu.com>
Date:   Tue, 10 May 2022 18:01:37 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     <will@...nel.org>, <peterz@...radead.org>,
        <daniel.thompson@...aro.org>, <bristot@...hat.com>
CC:     <linux-ia64@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Haowen Bai <baihaowen@...zu.com>
Subject: [PATCH] ia64: mca: Drop redundant spinlock initialization

mlogbuf_rlock has declared and initialized by DEFINE_SPINLOCK,
so we don't need to spin_lock_init again, drop it.

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 arch/ia64/kernel/mca.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index e628a88607bb..c62a66710ad6 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -290,7 +290,6 @@ static void ia64_mlogbuf_finish(int wait)
 {
 	BREAK_LOGLEVEL(console_loglevel);
 
-	spin_lock_init(&mlogbuf_rlock);
 	ia64_mlogbuf_dump();
 	printk(KERN_EMERG "mlogbuf_finish: printing switched to urgent mode, "
 		"MCA/INIT might be dodgy or fail.\n");
-- 
2.7.4