rocket: add a mutex_unlock()

This path needs a mutex_unlock().  This is stuff from the bkl to mutex
transition.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 79c3bc69165a..7c79d243acc9 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -1244,6 +1244,7 @@ static int set_config(struct tty_struct *tty, struct r_port *info,
                 }
                 info->flags = ((info->flags & ~ROCKET_USR_MASK) | (new_serial.flags & ROCKET_USR_MASK));
                 configure_r_port(tty, info, NULL);
+                mutex_unlock(&info->port.mutex);
                 return 0;
         }