Commit 51cf07a7 authored Apr 16, 2019 by Mao Wenan Committed by Boris Ostrovsky Apr 25, 2019

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: 1107ba88 ("xen: add xenfs to allow usermode <-> Xen interaction")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

parent 98105e9a

drivers/xen/xenbus/xenbus_dev_frontend.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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

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