linux-kernel - [PATCH] vhost: Remove unnecessary variable

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Message-ID: <1566304592-233922-1-git-send-email-linyunsheng@huawei.com>
Date:   Tue, 20 Aug 2019 20:36:32 +0800
From:   Yunsheng Lin <linyunsheng@...wei.com>
To:     <mst@...hat.com>, <jasowang@...hat.com>
CC:     <kvm@...r.kernel.org>, <virtualization@...ts.linux-foundation.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] vhost: Remove unnecessary variable

It is unnecessary to use ret variable to return the error
code, just return the error code directly.

Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>
---
 drivers/vhost/vhost.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 0536f85..1ac9de2 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -203,7 +203,6 @@ EXPORT_SYMBOL_GPL(vhost_poll_init);
 int vhost_poll_start(struct vhost_poll *poll, struct file *file)
 {
 	__poll_t mask;
-	int ret = 0;
 
 	if (poll->wqh)
 		return 0;
@@ -213,10 +212,10 @@ int vhost_poll_start(struct vhost_poll *poll, struct file *file)
 		vhost_poll_wakeup(&poll->wait, 0, 0, poll_to_key(mask));
 	if (mask & EPOLLERR) {
 		vhost_poll_stop(poll);
-		ret = -EINVAL;
+		return -EINVAL;
 	}
 
-	return ret;
+	return 0;
 }
 EXPORT_SYMBOL_GPL(vhost_poll_start);
 
-- 
2.8.1