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| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-08-08 11:25:28 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-08-08 11:26:15 +0100 |
| commit | a131bc185528331451a93db6c50a7d2070376a61 (patch) | |
| tree | 18cccd206d4835ee8df147ac3b0c0e30cc00680d /drivers/usb/serial/console.c | |
| parent | 19943b0e30b05d42e494ae6fef78156ebc8c637e (diff) | |
| parent | ff1649ff780fb7c0bfbf42d05ffc9b56336b9aa3 (diff) | |
| download | linux-a131bc185528331451a93db6c50a7d2070376a61.tar.gz linux-a131bc185528331451a93db6c50a7d2070376a61.tar.bz2 linux-a131bc185528331451a93db6c50a7d2070376a61.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Pull fixes in from 2.6.31 so that people testing the iommu-2.6.git tree
no longer trip over bugs which were already fixed (sorry, Horms).
Diffstat (limited to 'drivers/usb/serial/console.c')
| -rw-r--r-- | drivers/usb/serial/console.c | 13 |
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; } } |