Merge tag 'tty-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some tty and serial driver fixes for things reported
recently"
* tag 'tty-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: Fix lockless tty buffer race
Revert "tty: Fix race condition between __tty_buffer_request_room and flush_to_ldisc"
drivers/tty/hvc: don't free hvc_console_setup after init
n_tty: Fix n_tty_write crash when echoing in raw mode
tty: serial: 8250_core.c Bug fix for Exar chips.