Peter Hurley 2f7c069b96 net/irda: Hold port lock while bumping blocked_open
Although tty_lock() already protects concurrent update to
blocked_open, that fails to meet the separation-of-concerns between
tty_port and tty.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-06 02:47:04 -05:00
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