[PATCH] USB: get USB suspend to work again

[mirror_ubuntu-bionic-kernel.git] / drivers / usb / core / usb.c

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 515310751303752d37390357d8bc9592e20e2592..fb488c8a860c9fc1ee8bc0605a501bd3de2d6e5a 100644 (file)
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -991,6 +991,8 @@ void usb_buffer_unmap_sg (struct usb_device *dev, unsigned pipe,
 
 static int verify_suspended(struct device *dev, void *unused)
 {
+       if (dev->driver == NULL)
+               return 0;
        return (dev->power.power_state.event == PM_EVENT_ON) ? -EBUSY : 0;
 }