Merge tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial patches from Greg Kroah-Hartman:
 "Here's the big tty/serial driver patches for 3.9-rc1.

  More tty port rework and fixes from Jiri here, as well as lots of
  individual serial driver updates and fixes.

  All of these have been in the linux-next tree for a while."

* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
  tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
  serial: imx: fix uninitialized variable warning
  serial: tegra: assume CONFIG_OF
  TTY: do not update atime/mtime on read/write
  lguest: select CONFIG_TTY to build properly.
  ARM defconfigs: add missing inclusions of linux/platform_device.h
  fb/exynos: include platform_device.h
  ARM: sa1100/assabet: include platform_device.h directly
  serial: imx: Fix recursive locking bug
  pps: Fix build breakage from decoupling pps from tty
  tty: Remove ancient hardpps()
  pps: Additional cleanups in uart_handle_dcd_change
  pps: Move timestamp read into PPS code proper
  pps: Don't crash the machine when exiting will do
  pps: Fix a use-after free bug when unregistering a source.
  pps: Use pps_lookup_dev to reduce ldisc coupling
  pps: Add pps_lookup_dev() function
  tty: serial: uartlite: Support uartlite on big and little endian systems
  tty: serial: uartlite: Fix sparse and checkpatch warnings
  serial/arc-uart: Miscll DT related updates (Grant's review comments)
  ...

Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.

2 files changed, 17 insertions, 19 deletions

diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 3a44a5d7bf9e..da92ed3797aa 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -443,7 +443,7 @@ config USB_NET_QMI_WWAN
 
 config USB_HSO
         tristate "Option USB High Speed Mobile Devices"
-        depends on USB && RFKILL
+        depends on USB && RFKILL && TTY
         default n
         help
           Choose this option if you have an Option HSDPA/HSUPA card.
@@ -491,7 +491,7 @@ config USB_SIERRA_NET
 
 config USB_VL600
         tristate "LG VL600 modem dongle"
-        depends on USB_NET_CDCETHER
+        depends on USB_NET_CDCETHER && TTY
         select USB_ACM
         help
           Select this if you want to use an LG Electronics 4G/LTE usb modem
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 41e5dfb5ee64..e2dd3249b6bd 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2035,25 +2035,23 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial)
         tty = tty_port_tty_get(&serial->port);
 
         /* Push data to tty */
-        if (tty) {
-                write_length_remaining = urb->actual_length -
-                        serial->curr_rx_urb_offset;
-                D1("data to push to tty");
-                while (write_length_remaining) {
-                        if (test_bit(TTY_THROTTLED, &tty->flags)) {
-                                tty_kref_put(tty);
-                                return -1;
-                        }
-                        curr_write_len =  tty_insert_flip_string
-                                (tty, urb->transfer_buffer +
-                                 serial->curr_rx_urb_offset,
-                                 write_length_remaining);
-                        serial->curr_rx_urb_offset += curr_write_len;
-                        write_length_remaining -= curr_write_len;
-                        tty_flip_buffer_push(tty);
+        write_length_remaining = urb->actual_length -
+                serial->curr_rx_urb_offset;
+        D1("data to push to tty");
+        while (write_length_remaining) {
+                if (tty && test_bit(TTY_THROTTLED, &tty->flags)) {
+                        tty_kref_put(tty);
+                        return -1;
                 }
-                tty_kref_put(tty);
+                curr_write_len = tty_insert_flip_string(&serial->port,
+                        urb->transfer_buffer + serial->curr_rx_urb_offset,
+                        write_length_remaining);
+                serial->curr_rx_urb_offset += curr_write_len;
+                write_length_remaining -= curr_write_len;
+                tty_flip_buffer_push(&serial->port);
         }
+        tty_kref_put(tty);
+
         if (write_length_remaining == 0) {
                 serial->curr_rx_urb_offset = 0;
                 serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0;