specialix.c: fix possible double-unlock

Noticed by sparse, trivial to see:
drivers/char/specialix.c:2112:3: warning: context imbalance in 'sx_throttle' - unexpected unlock

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index c0e08c7bca2..5ff83df67b4 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);