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-rw-r--r--drivers/usb/core/hub.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 46f5161..d481c99 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5024,9 +5024,10 @@ static void hub_events(void)
hub = list_entry(tmp, struct usb_hub, event_list);
kref_get(&hub->kref);
+ hdev = hub->hdev;
+ usb_get_dev(hdev);
spin_unlock_irq(&hub_event_lock);
- hdev = hub->hdev;
hub_dev = hub->intfdev;
intf = to_usb_interface(hub_dev);
dev_dbg(hub_dev, "state %d ports %d chg %04x evt %04x\n",
@@ -5139,6 +5140,7 @@ static void hub_events(void)
usb_autopm_put_interface(intf);
loop_disconnected:
usb_unlock_device(hdev);
+ usb_put_dev(hdev);
kref_put(&hub->kref, hub_release);
} /* end while (1) */
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