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Message-ID: <20190416040651.186468-1-maowenan@huawei.com>
Date:   Tue, 16 Apr 2019 12:06:51 +0800
From:   Mao Wenan <maowenan@...wei.com>
To:     <boris.ostrovsky@...cle.com>, <jgross@...e.com>,
        <sstabellini@...nel.org>
CC:     <xen-devel@...ts.xenproject.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH] xenbus: drop useless LIST_HEAD in xenbus_write_watch() and xenbus_file_write()

Drop LIST_HEAD where the variable it declares is never used.

The declarations were introduced with the file, but the declared
variables were not used.

Fixes: 1107ba885e469("xen: add xenfs to allow usermode <-> Xen interaction")
Signed-off-by: Mao Wenan <maowenan@...wei.com>
---
 drivers/xen/xenbus/xenbus_dev_frontend.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 0782ff3..faf452d 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -465,7 +465,6 @@ static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u)
 	struct watch_adapter *watch;
 	char *path, *token;
 	int err, rc;
-	LIST_HEAD(staging_q);
 
 	path = u->u.buffer + sizeof(u->u.msg);
 	token = memchr(path, 0, u->u.msg.len);
@@ -523,7 +522,6 @@ static ssize_t xenbus_file_write(struct file *filp,
 	uint32_t msg_type;
 	int rc = len;
 	int ret;
-	LIST_HEAD(staging_q);
 
 	/*
 	 * We're expecting usermode to be writing properly formed
-- 
2.7.4

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