1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 6637e52736dd..d1dce2166eff 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -691,7 +691,9 @@ static int uhci_start(struct usb_hcd *hcd)
 
         configure_hc(uhci);
         uhci->is_initialized = 1;
+        spin_lock_irq(&uhci->lock);
         start_rh(uhci);
+        spin_unlock_irq(&uhci->lock);
         return 0;
 
 /*