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tty: localise the lock

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The termios and other changes mean the other protections needed on the driver
tty arrays should be adequate. Turn it all back on.

This contains pieces folded in from the fixes made to the original patches

| From: Geert Uytterhoeven <geert@linux-m68k.org>	(fix m68k)
| From: Paul Gortmaker <paul.gortmaker@windriver.com>	(fix cris)
| From: Jiri Kosina <jkosina@suze.cz>			(lockdep)
| From: Eric Dumazet <eric.dumazet@gmail.com>		(lockdep)

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Cox
2012-08-08 16:30:13 +01:00
committed by Greg Kroah-Hartman
parent dc6802a771
commit 89c8d91e31
14 changed files with 192 additions and 122 deletions
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4
net/bluetooth/rfcomm/tty.c
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@@ -705,9 +705,9 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)
break;
}
tty_unlock();
tty_unlock(tty);
schedule();
tty_lock();
tty_lock(tty);
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&dev->wait, &wait);