diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/mxser_new.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c index 1c8e00c4caa..d52ecff7320 100644 --- a/drivers/char/mxser_new.c +++ b/drivers/char/mxser_new.c @@ -853,9 +853,9 @@ static int mxser_startup(struct mxser_port *info) * and set the speed of the serial port */ mxser_change_speed(info, NULL); + info->flags |= ASYNC_INITIALIZED; spin_unlock_irqrestore(&info->slock, flags); - info->flags |= ASYNC_INITIALIZED; return 0; } @@ -925,6 +925,7 @@ static void mxser_shutdown(struct mxser_port *info) static int mxser_open(struct tty_struct *tty, struct file *filp) { struct mxser_port *info; + unsigned long flags; int retval, line; line = tty->index; @@ -941,7 +942,9 @@ static int mxser_open(struct tty_struct *tty, struct file *filp) /* * Start up serial port */ + spin_lock_irqsave(&info->slock, flags); info->count++; + spin_unlock_irqrestore(&info->slock, flags); retval = mxser_startup(info); if (retval) return retval; |