1 files changed, 3 insertions, 2 deletions

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index f0885cc01db6..dcb6977afce9 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1159,8 +1159,9 @@ struct hv_ring_buffer_debug_info {
         u32 bytes_avail_towrite;
 };
 
-void hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info,
-                            struct hv_ring_buffer_debug_info *debug_info);
+
+int hv_ringbuffer_get_debuginfo(const struct hv_ring_buffer_info *ring_info,
+                                struct hv_ring_buffer_debug_info *debug_info);
 
 /* Vmbus interface */
 #define vmbus_driver_register(driver)   \