tree ce02bc03118f48b02baa4690d0dd057ff589fbb9
parent c6017e793b932e84b1c998f9b4c08d74ff0ea9c0
author Amit Shah <amit.shah@redhat.com> 1375073655 +0930
committer Rusty Russell <rusty@rustcorp.com.au> 1375075248 +0930

virtio: console: add locking in port unplug path

Port unplug can race with close() in port_fops_release().
port_fops_release() already takes the necessary locks, ensure
unplug_port() does that too.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>