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path: root/drivers/tty/serial/crisv10.c
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Diffstat (limited to 'drivers/tty/serial/crisv10.c')
-rw-r--r--drivers/tty/serial/crisv10.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 1dfba7b779c8..23d791696879 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -4105,20 +4105,11 @@ static int
rs_open(struct tty_struct *tty, struct file * filp)
{
struct e100_serial *info;
- int retval, line;
+ int retval;
unsigned long page;
int allocated_resources = 0;
- /* find which port we want to open */
- line = tty->index;
-
- if (line < 0 || line >= NR_PORTS)
- return -ENODEV;
-
- /* find the corresponding e100_serial struct in the table */
- info = rs_table + line;
-
- /* don't allow the opening of ports that are not enabled in the HW config */
+ info = rs_table + tty->index;
if (!info->enabled)
return -ENODEV;
@@ -4131,7 +4122,7 @@ rs_open(struct tty_struct *tty, struct file * filp)
tty->driver_data = info;
info->port.tty = tty;
- info->port.tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+ tty->low_latency = !!(info->flags & ASYNC_LOW_LATENCY);
if (!tmp_buf) {
page = get_zeroed_page(GFP_KERNEL);