Hi,
this makes mdc800 take the necessary lock in disconnect() to prevent
submission of an URB for a disconnected device.
Regards
Oliver
Signed-off-by: Oliver Neukum <[EMAIL PROTECTED]>
--- a/drivers/usb/mdc800.c 2007-01-05 16:59:45.000000000 +0100
+++ b/drivers/usb/mdc800.c 2007-01-05 16:59:50.000000000 +0100
@@ -523,7 +523,8 @@
if (mdc800->state == NOT_CONNECTED)
return;
-
+
+ down (&mdc800->io_lock);
mdc800->state=NOT_CONNECTED;
usb_unlink_urb (mdc800->irq_urb);
@@ -533,6 +534,7 @@
usb_driver_release_interface (&mdc800_usb_driver, &dev->actconfig->interface[1]);
mdc800->dev=0;
+ up (&mdc800->io_lock);
info ("Mustek MDC800 disconnected from USB.");
}
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