Drivers: hv: vmbus: Fix race condition with new ring_buffer_info mutex

[sfrench/cifs-2.6.git] / drivers / hv / hyperv_vmbus.h

diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index a94aab94e0b54fa4a719a3351556e55603db9d22..e5467b821f415bbeb08c68919b393a37f21f5eae 100644 (file)
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -193,6 +193,7 @@ extern void hv_synic_clockevents_cleanup(void);
 
 /* Interface */
 
+void hv_ringbuffer_pre_init(struct vmbus_channel *channel);
 
 int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info,
                       struct page *pages, u32 pagecnt);