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USB: UHCI: acquire spinlock before calling start_rh()
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
usb
/
host
/
uhci-hcd.c
diff --git
a/drivers/usb/host/uhci-hcd.c
b/drivers/usb/host/uhci-hcd.c
index 6637e52736dda37a0c0efc9fb61b529d45d9bbf8..d1dce2166eff5e429656359ca53bf40fc39126ad 100644
(file)
--- 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;
/*