diff options
Diffstat (limited to 'drivers/net/slip.c')
| -rw-r--r-- | drivers/net/slip.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/slip.c b/drivers/net/slip.c index 25cec06d6dcc..8e1c0baf6958 100644 --- a/drivers/net/slip.c +++ b/drivers/net/slip.c @@ -401,7 +401,7 @@ static void sl_encaps(struct slip *sl, unsigned char *icp, int len) * if we did not request it before write operation. * 14 Oct 1994 Dmitry Gorodchanin. */ - sl->tty->flags |= (1 << TTY_DO_WRITE_WAKEUP); + set_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags); actual = sl->tty->ops->write(sl->tty, sl->xbuff, count); #ifdef SL_CHECK_TRANSMIT sl->dev->trans_start = jiffies; @@ -431,7 +431,7 @@ static void slip_write_wakeup(struct tty_struct *tty) /* Now serial buffer is almost free & we can start * transmission of another packet */ sl->tx_packets++; - tty->flags &= ~(1 << TTY_DO_WRITE_WAKEUP); + clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); sl_unlock(sl); return; } @@ -464,7 +464,7 @@ static void sl_tx_timeout(struct net_device *dev) (tty_chars_in_buffer(sl->tty) || sl->xleft) ? "bad line quality" : "driver error"); sl->xleft = 0; - sl->tty->flags &= ~(1 << TTY_DO_WRITE_WAKEUP); + clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags); sl_unlock(sl); #endif } @@ -514,10 +514,9 @@ sl_close(struct net_device *dev) struct slip *sl = netdev_priv(dev); spin_lock_bh(&sl->lock); - if (sl->tty) { + if (sl->tty) /* TTY discipline is running. */ - sl->tty->flags &= ~(1 << TTY_DO_WRITE_WAKEUP); - } + clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags); netif_stop_queue(dev); sl->rcount = 0; sl->xleft = 0; |