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-rw-r--r--drivers/isdn/i4l/isdn_tty.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 2c26b64ebbea..ac4840124bc0 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1590,12 +1590,9 @@ static int
isdn_tty_open(struct tty_struct *tty, struct file *filp)
{
modem_info *info;
- int retval, line;
+ int retval;
- line = tty->index;
- if (line < 0 || line >= ISDN_MAX_CHANNELS)
- return -ENODEV;
- info = &dev->mdm.info[line];
+ info = &dev->mdm.info[tty->index];
if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_open"))
return -ENODEV;
if (!try_module_get(info->owner)) {