linux-kernel - [PATCH] virt: fsl_hypervisor: Directly return 0 instead of using local ret variable

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Message-ID: <1646966331-16813-1-git-send-email-baihaowen@meizu.com>
Date:   Fri, 11 Mar 2022 10:38:51 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     <fei1.li@...el.com>, <hdegoede@...hat.com>, <arnd@...db.de>,
        <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>, Haowen Bai <baihaowen@...zu.com>
Subject: [PATCH] virt: fsl_hypervisor: Directly return 0 instead of using local ret variable

fixes coccinelle warning:
drivers/virt/fsl_hypervisor.c:690:5-8: Unneeded variable: "ret". Return "0" on line 698

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 drivers/virt/fsl_hypervisor.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c
index 46ee0a0..e49bec8 100644
--- a/drivers/virt/fsl_hypervisor.c
+++ b/drivers/virt/fsl_hypervisor.c
@@ -687,15 +687,13 @@ static int fsl_hv_close(struct inode *inode, struct file *filp)
 	struct doorbell_queue *dbq = filp->private_data;
 	unsigned long flags;
 
-	int ret = 0;
-
 	spin_lock_irqsave(&db_list_lock, flags);
 	list_del(&dbq->list);
 	spin_unlock_irqrestore(&db_list_lock, flags);
 
 	kfree(dbq);
 
-	return ret;
+	return 0;
 }
 
 static const struct file_operations fsl_hv_fops = {
-- 
2.7.4