fs: dlm: plock use list_first_entry

This patch will use the list helper list_first_entry() instead of using
list_entry() to get the first element of a list.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Alexander Aring 2022-06-22 14:45:04 -04:00 • committed by David Teigland
commit 976a062434