When the device is disconnected poll waiters were not being woken. Fixes issue in commit eb6b92ecc0f9412623ab1584ddd8389b371638d4 reported by Oliver Neukum
Signed-off-by: Dave Penkler <[email protected]> --- drivers/usb/class/usbtmc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 419c72e..917a55c 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1525,13 +1525,14 @@ static void usbtmc_disconnect(struct usb_interface *intf) dev_dbg(&intf->dev, "usbtmc_disconnect called\n"); data = usb_get_intfdata(intf); - usbtmc_free_int(data); usb_deregister_dev(intf, &usbtmc_class); sysfs_remove_group(&intf->dev.kobj, &capability_attr_grp); sysfs_remove_group(&intf->dev.kobj, &data_attr_grp); mutex_lock(&data->io_mutex); data->zombie = 1; + wake_up_all(&data->waitq); mutex_unlock(&data->io_mutex); + usbtmc_free_int(data); kref_put(&data->kref, usbtmc_delete); } -- 2.6.3
