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 <dpenk...@gmail.com>
---
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
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