[Bluetooth] Check if DLC is still attached to the TTY
authorMarcel Holtmann <marcel@holtmann.org>
Sun, 15 Oct 2006 15:31:10 +0000 (17:31 +0200)
committerDavid S. Miller <davem@sunset.davemloft.net>
Mon, 16 Oct 2006 06:14:33 +0000 (23:14 -0700)
If the DLC device is no longer attached to the TTY device, then it
makes no sense to go through with changing the termios settings.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

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