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-rw-r--r--drivers/usb/core/usb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 51531075130..fb488c8a860 100644
--- 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;
}