X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fn_tty.c;fp=drivers%2Fchar%2Fn_tty.c;h=603b9ade5eb089f16f041fc15e4876417a6c1505;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=b9371d5bf7906b48d4b340c5a8756c3fa132f516;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git

diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index b9371d5bf..603b9ade5 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -1132,7 +1132,7 @@ static inline int input_available_p(struct tty_struct *tty, int amt)
  *	buffer, and once to drain the space from the (physical) beginning of
  *	the buffer to head pointer.
  *
- *	Called under the tty->atomic_read_lock sem and with TTY_DONT_FLIP set
+ *	Called under the tty->atomic_read_lock sem
  *
  */
  
@@ -1271,7 +1271,6 @@ do_it_again:
 	}
 
 	add_wait_queue(&tty->read_wait, &wait);
-	set_bit(TTY_DONT_FLIP, &tty->flags);
 	while (nr) {
 		/* First test for status change. */
 		if (tty->packet && tty->link->ctrl_status) {
@@ -1315,9 +1314,7 @@ do_it_again:
 				break;
 			}
 			n_tty_set_room(tty);
-			clear_bit(TTY_DONT_FLIP, &tty->flags);
 			timeout = schedule_timeout(timeout);
-			set_bit(TTY_DONT_FLIP, &tty->flags);
 			continue;
 		}
 		__set_current_state(TASK_RUNNING);
@@ -1394,7 +1391,6 @@ do_it_again:
 		if (time)
 			timeout = time;
 	}
-	clear_bit(TTY_DONT_FLIP, &tty->flags);
 	mutex_unlock(&tty->atomic_read_lock);
 	remove_wait_queue(&tty->read_wait, &wait);