xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring()
authorJuergen Gross <jgross@suse.com>
Thu, 28 Apr 2022 07:01:04 +0000 (09:01 +0200)
committerJuergen Gross <jgross@suse.com>
Thu, 19 May 2022 12:21:59 +0000 (14:21 +0200)
commit5e0afd8eab96486c13194fa9cbcf5fe320ac8d6b
tree5d767b280747e8dfee1a69d5905e6598a99befc8
parent46e20d43f579f39677835bf8e72c95182b3b4016
xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring()

Simplify tpmfront's ring creation and removal via xenbus_setup_ring()
and xenbus_teardown_ring(), which are provided exactly for the use
pattern as seen in this driver.

Signed-off-by: Juergen Gross <jgross@suse.com>
drivers/char/tpm/xen-tpmfront.c