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path: root/drivers/tty/pty.c
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Diffstat (limited to 'drivers/tty/pty.c')
-rw-r--r--drivers/tty/pty.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 0058d9fbf931..dd4b8417e7f4 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -44,7 +44,7 @@ static void pty_close(struct tty_struct *tty, struct file *filp)
if (tty->driver->subtype == PTY_TYPE_MASTER)
WARN_ON(tty->count > 1);
else {
- if (test_bit(TTY_IO_ERROR, &tty->flags))
+ if (tty_io_error(tty))
return;
if (tty->count > 2)
return;
@@ -59,7 +59,7 @@ static void pty_close(struct tty_struct *tty, struct file *filp)
if (!tty->link)
return;
set_bit(TTY_OTHER_CLOSED, &tty->link->flags);
- tty_flip_buffer_push(tty->link->port);
+ wake_up_interruptible(&tty->link->read_wait);
wake_up_interruptible(&tty->link->write_wait);
if (tty->driver->subtype == PTY_TYPE_MASTER) {
set_bit(TTY_OTHER_CLOSED, &tty->flags);
@@ -247,9 +247,7 @@ static int pty_open(struct tty_struct *tty, struct file *filp)
goto out;
clear_bit(TTY_IO_ERROR, &tty->flags);
- /* TTY_OTHER_CLOSED must be cleared before TTY_OTHER_DONE */
clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);
- clear_bit(TTY_OTHER_DONE, &tty->link->flags);
set_bit(TTY_THROTTLED, &tty->flags);
return 0;
@@ -626,7 +624,7 @@ static int pty_unix98_ioctl(struct tty_struct *tty,
*/
static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver,
- struct inode *ptm_inode, int idx)
+ struct file *file, int idx)
{
/* Master must be open via /dev/ptmx */
return ERR_PTR(-EIO);
@@ -642,12 +640,12 @@ static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver,
*/
static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver,
- struct inode *pts_inode, int idx)
+ struct file *file, int idx)
{
struct tty_struct *tty;
mutex_lock(&devpts_mutex);
- tty = devpts_get_priv(pts_inode);
+ tty = devpts_get_priv(file->f_path.dentry);
mutex_unlock(&devpts_mutex);
/* Master must be open before slave */
if (!tty)
@@ -722,7 +720,7 @@ static int ptmx_open(struct inode *inode, struct file *filp)
{
struct pts_fs_info *fsi;
struct tty_struct *tty;
- struct inode *slave_inode;
+ struct dentry *dentry;
int retval;
int index;
@@ -769,14 +767,12 @@ static int ptmx_open(struct inode *inode, struct file *filp)
tty_add_file(tty, filp);
- slave_inode = devpts_pty_new(fsi,
- MKDEV(UNIX98_PTY_SLAVE_MAJOR, index), index,
- tty->link);
- if (IS_ERR(slave_inode)) {
- retval = PTR_ERR(slave_inode);
+ dentry = devpts_pty_new(fsi, index, tty->link);
+ if (IS_ERR(dentry)) {
+ retval = PTR_ERR(dentry);
goto err_release;
}
- tty->link->driver_data = slave_inode;
+ tty->link->driver_data = dentry;
retval = ptm_driver->ops->open(tty, filp);
if (retval)
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