Merge commit 'v2.6.31-rc7' into x86/cleanups

Merge reason: we were on -rc1 before - go up to -rc7

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 247b61bfb7f4..0e4f2e41ace5 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -169,9 +169,11 @@ static int usb_console_setup(struct console *co, char *options)
                         kfree(tty);
                 }
         }
-        /* So we know not to kill the hardware on a hangup on this
-           port. We have also bumped the use count by one so it won't go
-           idle */
+        /* Now that any required fake tty operations are completed restore
+         * the tty port count */
+        --port->port.count;
+        /* The console is special in terms of closing the device so
+         * indicate this port is now acting as a system console. */
         port->console = 1;
         retval = 0;
 
@@ -204,7 +206,7 @@ static void usb_console_write(struct console *co,
 
         dbg("%s - port %d, %d byte(s)", __func__, port->number, count);
 
-        if (!port->port.count) {
+        if (!port->console) {
                 dbg("%s - port not opened", __func__);
                 return;
         }
@@ -300,8 +302,7 @@ void usb_serial_console_exit(void)
 {
         if (usbcons_info.port) {
                 unregister_console(&usbcons);
-                if (usbcons_info.port->port.count)
-                        usbcons_info.port->port.count--;
+                usbcons_info.port->console = 0;
                 usbcons_info.port = NULL;
         }
 }