1 files changed, 13 insertions, 23 deletions

diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index 6990b3b649d3..77ceaa9c9e3f 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -90,33 +90,23 @@ static void report_deregistering(struct ipw_tty *tty)
                tty->index);
 }
 
-static struct ipw_tty *get_tty(int minor)
+static struct ipw_tty *get_tty(int index)
 {
-        if (minor < ipw_tty_driver->minor_start
-                        || minor >= ipw_tty_driver->minor_start +
-                        IPWIRELESS_PCMCIA_MINORS)
+        /*
+         * The 'ras_raw' channel is only available when 'loopback' mode
+         * is enabled.
+         * Number of minor starts with 16 (_RANGE * _RAS_RAW).
+         */
+        if (!ipwireless_loopback && index >=
+                         IPWIRELESS_PCMCIA_MINOR_RANGE * TTYTYPE_RAS_RAW)
                 return NULL;
-        else {
-                int minor_offset = minor - ipw_tty_driver->minor_start;
-
-                /*
-                 * The 'ras_raw' channel is only available when 'loopback' mode
-                 * is enabled.
-                 * Number of minor starts with 16 (_RANGE * _RAS_RAW).
-                 */
-                if (!ipwireless_loopback &&
-                                minor_offset >=
-                                 IPWIRELESS_PCMCIA_MINOR_RANGE * TTYTYPE_RAS_RAW)
-                        return NULL;
-
-                return ttys[minor_offset];
-        }
+
+        return ttys[index];
 }
 
 static int ipw_open(struct tty_struct *linux_tty, struct file *filp)
 {
-        int minor = linux_tty->index;
-        struct ipw_tty *tty = get_tty(minor);
+        struct ipw_tty *tty = get_tty(linux_tty->index);
 
         if (!tty)
                 return -ENODEV;
@@ -510,7 +500,7 @@ static int add_tty(int j,
                 ipwireless_associate_network_tty(network,
                                                  secondary_channel_idx,
                                                  ttys[j]);
-        if (get_tty(j + ipw_tty_driver->minor_start) == ttys[j])
+        if (get_tty(j) == ttys[j])
                 report_registering(ttys[j]);
         return 0;
 }
@@ -570,7 +560,7 @@ void ipwireless_tty_free(struct ipw_tty *tty)
 
                 if (ttyj) {
                         mutex_lock(&ttyj->ipw_tty_mutex);
-                        if (get_tty(j + ipw_tty_driver->minor_start) == ttyj)
+                        if (get_tty(j) == ttyj)
                                 report_deregistering(ttyj);
                         ttyj->closing = 1;
                         if (ttyj->linux_tty != NULL) {