tty: More driver operations
We have the lookup operation abstracted which is nice for pty cleanup but
we really want to abstract the add/remove entries as well so that we can
pull the pty code out of the tty core and create a clear defined interface
for the tty driver table.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index 0fdfa05..4e6490b 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -433,8 +433,22 @@
kfree(tty->termios_locked);
}
+/* We have no need to install and remove our tty objects as devpts does all
+ the work for us */
+
+static int pty_install(struct tty_driver *driver, struct tty_struct *tty)
+{
+ return 0;
+}
+
+static void pty_remove(struct tty_driver *driver, struct tty_struct *tty)
+{
+}
+
static const struct tty_operations ptm_unix98_ops = {
.lookup = ptm_unix98_lookup,
+ .install = pty_install,
+ .remove = pty_remove,
.open = pty_open,
.close = pty_close,
.write = pty_write,
@@ -449,6 +463,8 @@
static const struct tty_operations pty_unix98_ops = {
.lookup = pts_unix98_lookup,
+ .install = pty_install,
+ .remove = pty_remove,
.open = pty_open,
.close = pty_close,
.write = pty_write,