tree a431ccb0dbe13b1cb4553effd607c00ac59c1be6
parent 79901317ce80c43a0249ccc6e3fea9d0968e159e
author Peter Hurley <peter@hurleysoftware.com> 1363034664 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1363649566 -0700

tty: Refactor wait for ldisc refs out of tty_ldisc_hangup()

Refactor tty_ldisc_hangup() to extract standalone function,
tty_ldisc_hangup_wait_idle(), to wait for ldisc references
to be released.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>