1 files changed, 2 insertions, 9 deletions

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 83f604b19290..a61fb6da5d03 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -321,8 +321,6 @@ struct mxser_struct {
         unsigned long event;
         int count;              /* # of fd on device */
         int blocked_open;       /* # of blocked opens */
-        long session;           /* Session of opening process */
-        long pgrp;              /* pgrp of opening process */
         unsigned char *xmit_buf;
         int xmit_head;
         int xmit_tail;
@@ -1001,15 +999,12 @@ static int mxser_open(struct tty_struct *tty, struct file *filp)
                 mxser_change_speed(info, NULL);
         }
 
-        info->session = process_session(current);
-        info->pgrp = process_group(current);
-
         /*
         status = mxser_get_msr(info->base, 0, info->port);
         mxser_check_modem_status(info, status);
         */
 
-/* unmark here for very high baud rate (ex. 921600 bps) used */
+        /* unmark here for very high baud rate (ex. 921600 bps) used */
         tty->low_latency = 1;
         return 0;
 }
@@ -1254,9 +1249,7 @@ static void mxser_flush_buffer(struct tty_struct *tty)
         spin_unlock_irqrestore(&info->slock, flags);
         /* above added by shinhay */
 
-        wake_up_interruptible(&tty->write_wait);
-        if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && tty->ldisc.write_wakeup)
-                (tty->ldisc.write_wakeup) (tty);
+        tty_wakeup(tty);
 }
 
 static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg)