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authorAnton Altaparmakov <aia21@hera.kernel.org>2006-03-23 17:05:47 +0000
committerAnton Altaparmakov <aia21@hera.kernel.org>2006-03-23 17:05:47 +0000
commita05ba4561fa3ad8b64a27577d0d38c190f60f762 (patch)
tree5eb7561113e006b7bad0bef50dec6821962b1b36 /drivers/char/n_tty.c
parent74293759002aa7db0179158c20676a034614577b (diff)
parentb0e6e962992b76580f4900b166a337bad7c1e81b (diff)
Merge branch 'master' of /home/aia21/ntfs-2.6/
Diffstat (limited to 'drivers/char/n_tty.c')
-rw-r--r--drivers/char/n_tty.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index ccad7ae94541..ede365d05387 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -132,7 +132,7 @@ static void put_tty_queue(unsigned char c, struct tty_struct *tty)
* We test the TTY_THROTTLED bit first so that it always
* indicates the current state. The decision about whether
* it is worth allowing more input has been taken by the caller.
- * Can sleep, may be called under the atomic_read semaphore but
+ * Can sleep, may be called under the atomic_read_lock mutex but
* this is not guaranteed.
*/
@@ -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 sem and with TTY_DONT_FLIP set
+ * Called under the tty->atomic_read_lock sem and with TTY_DONT_FLIP set
*
*/
@@ -1262,11 +1262,11 @@ do_it_again:
* Internal serialization of reads.
*/
if (file->f_flags & O_NONBLOCK) {
- if (down_trylock(&tty->atomic_read))
+ if (!mutex_trylock(&tty->atomic_read_lock))
return -EAGAIN;
}
else {
- if (down_interruptible(&tty->atomic_read))
+ if (mutex_lock_interruptible(&tty->atomic_read_lock))
return -ERESTARTSYS;
}
@@ -1393,7 +1393,7 @@ do_it_again:
timeout = time;
}
clear_bit(TTY_DONT_FLIP, &tty->flags);
- up(&tty->atomic_read);
+ mutex_unlock(&tty->atomic_read_lock);
remove_wait_queue(&tty->read_wait, &wait);
if (!waitqueue_active(&tty->read_wait))