This patch fixes lost LF when ACM device is used with getty/login/bash,
in case of a modem which takes calls.
Signed-off-by: NPete Zaitcev <zaitcev@redhat.com>
Signed-off-by: NOliver Neukum <oliver@neukum.name>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>