tty: Move the vt_tty field from the vc_data into the standard tty_port
This takes all the tty references through the expected interface points so
we can refcount them.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 25be210..a7ca752 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -299,7 +299,7 @@
*/
static void put_queue(struct vc_data *vc, int ch)
{
- struct tty_struct *tty = vc->vc_tty;
+ struct tty_struct *tty = vc->port.tty;
if (tty) {
tty_insert_flip_char(tty, ch, 0);
@@ -309,7 +309,7 @@
static void puts_queue(struct vc_data *vc, char *cp)
{
- struct tty_struct *tty = vc->vc_tty;
+ struct tty_struct *tty = vc->port.tty;
if (!tty)
return;
@@ -485,7 +485,7 @@
static void fn_hold(struct vc_data *vc)
{
- struct tty_struct *tty = vc->vc_tty;
+ struct tty_struct *tty = vc->port.tty;
if (rep || !tty)
return;
@@ -563,7 +563,7 @@
static void fn_send_intr(struct vc_data *vc)
{
- struct tty_struct *tty = vc->vc_tty;
+ struct tty_struct *tty = vc->port.tty;
if (!tty)
return;
@@ -1162,7 +1162,7 @@
struct keyboard_notifier_param param = { .vc = vc, .value = keycode, .down = down };
int rc;
- tty = vc->vc_tty;
+ tty = vc->port.tty;
if (tty && (!tty->driver_data)) {
/* No driver data? Strange. Okay we fix it then. */
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 295af82..c734f9b 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -973,12 +973,12 @@
* Resize a virtual console as seen from the console end of things. We
* use the common vc_do_resize methods to update the structures. The
* caller must hold the console sem to protect console internals and
- * vc->vc_tty
+ * vc->port.tty
*/
int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int rows)
{
- return vc_do_resize(vc->vc_tty, vc, cols, rows);
+ return vc_do_resize(vc->port.tty, vc, cols, rows);
}
/**
@@ -2807,12 +2807,12 @@
struct vc_data *vc = vc_cons[currcons].d;
/* Still being freed */
- if (vc->vc_tty) {
+ if (vc->port.tty) {
release_console_sem();
return -ERESTARTSYS;
}
tty->driver_data = vc;
- vc->vc_tty = tty;
+ vc->port.tty = tty;
if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
tty->winsize.ws_row = vc_cons[currcons].d->vc_rows;
@@ -2840,7 +2840,7 @@
struct vc_data *vc = tty->driver_data;
BUG_ON(vc == NULL);
acquire_console_sem();
- vc->vc_tty = NULL;
+ vc->port.tty = NULL;
release_console_sem();
tty_shutdown(tty);
}
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index cb19dbc..72dcfb2 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -1369,7 +1369,7 @@
acquire_console_sem();
vc = vc_con->d;
if (vc) {
- tty = vc->vc_tty;
+ tty = vc->port.tty;
/*
* SAK should also work in all raw modes and reset
* them properly.
diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h
index 25bf67f..7f0c329 100644
--- a/include/linux/console_struct.h
+++ b/include/linux/console_struct.h
@@ -58,7 +58,6 @@
/* VT terminal data */
unsigned int vc_state; /* Escape sequence parser state */
unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */
- struct tty_struct *vc_tty; /* TTY we are attached to */
/* data for manual vt switching */
struct vt_mode vt_mode;
struct pid *vt_pid;