| use old locking for struct tty_struct | |
| With kernel 3.12 a new locking was added to struct tty_struct. This | |
| patch makes the code use the old locking. | |
| The new locking was added in this commit: | |
| commit 6a1c0680cf3ba94356ecd58833e1540c93472a57 | |
| Author: Peter Hurley <peter@hurleysoftware.com> | |
| Date: Sat Jun 15 09:14:23 2013 -0400 | |
| tty: Convert termios_mutex to termios_rwsem |