Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / drivers / char / pty.c

diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index da32889..34dd4c3 100644 (file)
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -11,7 +11,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>      /* For EXPORT_SYMBOL */
 
 #include <linux/errno.h>
@@ -24,7 +23,6 @@
 #include <linux/major.h>
 #include <linux/mm.h>
 #include <linux/init.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/sysctl.h>
 
 #include <asm/uaccess.h>
@@ -101,7 +99,7 @@ static void pty_unthrottle(struct tty_struct * tty)
  *
  * FIXME: Our pty_write method is called with our ldisc lock held but
  * not our partners. We can't just take the other one blindly without
- * risking deadlocks.  There is also the small matter of TTY_DONT_FLIP
+ * risking deadlocks.
  */
 static int pty_write(struct tty_struct * tty, const unsigned char *buf, int count)
 {
@@ -111,7 +109,7 @@ static int pty_write(struct tty_struct * tty, const unsigned char *buf, int coun
        if (!to || tty->stopped)
                return 0;
 
-       c = to->ldisc.receive_room(to);
+       c = to->receive_room;
        if (c > count)
                c = count;
        to->ldisc.receive_buf(to, buf, NULL, c);
@@ -126,7 +124,7 @@ static int pty_write_room(struct tty_struct *tty)
        if (!to || tty->stopped)
                return 0;
 
-       return to->ldisc.receive_room(to);
+       return to->receive_room;
 }
 
 /*
@@ -149,15 +147,14 @@ static int pty_write_room(struct tty_struct *tty)
 static int pty_chars_in_buffer(struct tty_struct *tty)
 {
        struct tty_struct *to = tty->link;
-       ssize_t (*chars_in_buffer)(struct tty_struct *);
        int count;
 
        /* We should get the line discipline lock for "tty->link" */
-       if (!to || !(chars_in_buffer = to->ldisc.chars_in_buffer))
+       if (!to || !to->ldisc.chars_in_buffer)
                return 0;
 
        /* The ldisc must report 0 if no characters available to be read */
-       count = chars_in_buffer(to);
+       count = to->ldisc.chars_in_buffer(to);
 
        if (tty->driver->subtype == PTY_TYPE_SLAVE) return count;
 
@@ -266,7 +263,6 @@ static void __init legacy_pty_init(void)
        pty_driver->owner = THIS_MODULE;
        pty_driver->driver_name = "pty_master";
        pty_driver->name = "pty";
-       pty_driver->devfs_name = "pty/m";
        pty_driver->major = PTY_MASTER_MAJOR;
        pty_driver->minor_start = 0;
        pty_driver->type = TTY_DRIVER_TYPE_PTY;
@@ -284,7 +280,6 @@ static void __init legacy_pty_init(void)
        pty_slave_driver->owner = THIS_MODULE;
        pty_slave_driver->driver_name = "pty_slave";
        pty_slave_driver->name = "ttyp";
-       pty_slave_driver->devfs_name = "pty/s";
        pty_slave_driver->major = PTY_SLAVE_MAJOR;
        pty_slave_driver->minor_start = 0;
        pty_slave_driver->type = TTY_DRIVER_TYPE_PTY;
@@ -352,7 +347,6 @@ static int pty_unix98_ioctl(struct tty_struct *tty, struct file *file,
 
 static void __init unix98_pty_init(void)
 {
-       devfs_mk_dir("pts");
        ptm_driver = alloc_tty_driver(NR_UNIX98_PTY_MAX);
        if (!ptm_driver)
                panic("Couldn't allocate Unix98 ptm driver");
@@ -373,7 +367,7 @@ static void __init unix98_pty_init(void)
        ptm_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
        ptm_driver->init_termios.c_lflag = 0;
        ptm_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW |
-               TTY_DRIVER_NO_DEVFS | TTY_DRIVER_DEVPTS_MEM;
+               TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM;
        ptm_driver->other = pts_driver;
        tty_set_operations(ptm_driver, &pty_ops);
        ptm_driver->ioctl = pty_unix98_ioctl;
@@ -388,7 +382,7 @@ static void __init unix98_pty_init(void)
        pts_driver->init_termios = tty_std_termios;
        pts_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
        pts_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW |
-               TTY_DRIVER_NO_DEVFS | TTY_DRIVER_DEVPTS_MEM;
+               TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM;
        pts_driver->other = ptm_driver;
        tty_set_operations(pts_driver, &pty_ops);