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-rw-r--r--drivers/usb/core/driver.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 7652dcb57998..a1f225f077cd 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -550,6 +550,21 @@ int usb_driver_claim_interface(struct usb_driver *driver,
if (device_is_registered(dev))
retval = device_bind_driver(dev);
+ if (retval) {
+ dev->driver = NULL;
+ usb_set_intfdata(iface, NULL);
+ iface->needs_remote_wakeup = 0;
+ iface->condition = USB_INTERFACE_UNBOUND;
+
+ /*
+ * Unbound interfaces are always runtime-PM-disabled
+ * and runtime-PM-suspended
+ */
+ if (driver->supports_autosuspend)
+ pm_runtime_disable(dev);
+ pm_runtime_set_suspended(dev);
+ }
+
return retval;
}
EXPORT_SYMBOL_GPL(usb_driver_claim_interface);
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