diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index c0e08c7bca2f4ef713c966eeed532164d33282e6..5ff83df67b447d18054bf45359c183d18fdb9e5a 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -2109,7 +2109,6 @@ static void sx_throttle(struct tty_struct * tty)
 	sx_out(bp, CD186x_CAR, port_No(port));
 	spin_unlock_irqrestore(&bp->lock, flags);
 	if (I_IXOFF(tty)) {
-		spin_unlock_irqrestore(&bp->lock, flags);
 		sx_wait_CCR(bp);
 		spin_lock_irqsave(&bp->lock, flags);
 		sx_out(bp, CD186x_CCR, CCR_SSCH2);