linux-kernel - [V2 3/3] firmware: arm_sdei: clean up sdei_event

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Message-Id: <1579145331-78633-3-git-send-email-zhangliguang@linux.alibaba.com>
Date:   Thu, 16 Jan 2020 11:28:51 +0800
From:   luanshi <zhangliguang@...ux.alibaba.com>
To:     james.morse@....com
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [V2 3/3] firmware: arm_sdei: clean up sdei_event_create()

Function sdei_event_find() is always called in sdei_event_create(), but
it is already called in sdei_event_register(). So we should remove some
needless sdei_event_find() calls.

Signed-off-by: Liguang Zhang <zhangliguang@...ux.alibaba.com>
---
 drivers/firmware/arm_sdei.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index f81c09e..79ae07c 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -271,15 +271,9 @@ static struct sdei_event *sdei_event_create(u32 event_num,
 		event->private_registered = regs;
 	}
 
-	if (sdei_event_find(event_num)) {
-		kfree(event->registered);
-		kfree(event);
-		event = ERR_PTR(-EBUSY);
-	} else {
-		spin_lock(&sdei_list_lock);
-		list_add(&event->list, &sdei_list);
-		spin_unlock(&sdei_list_lock);
-	}
+	spin_lock(&sdei_list_lock);
+	list_add(&event->list, &sdei_list);
+	spin_unlock(&sdei_list_lock);
 
 	return event;
 }
-- 
1.8.3.1