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Commit ffe6b68c authored by Gianluca Anzolin's avatar Gianluca Anzolin Committed by Gustavo Padovan
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Bluetooth: Purge the dlc->tx_queue to avoid circular dependency 



In rfcomm_tty_cleanup we purge the dlc->tx_queue which may contain
socket buffers referencing the tty_port and thus preventing the tty_port
destruction.

Signed-off-by: default avatarGianluca Anzolin <gianluca@sottospazio.it>
Reviewed-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
parent ece3150d

net/bluetooth/rfcomm/tty.c

+6 −0
Original line number Diff line number Diff line
@@ -668,6 +668,12 @@ static void rfcomm_tty_cleanup(struct tty_struct *tty) 
	tty->driver_data = NULL;

	rfcomm_dlc_unlock(dev->dlc);



	/*

	 * purge the dlc->tx_queue to avoid circular dependencies

	 * between dev and dlc

	 */

	skb_queue_purge(&dev->dlc->tx_queue);



	tty_port_put(&dev->port);

}