diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c
index a48e6376ce21..27516d40b6ed 100644
--- a/drivers/staging/hv/NetVsc.c
+++ b/drivers/staging/hv/NetVsc.c
@@ -1286,7 +1286,7 @@ static void NetVscOnReceiveCompletion(void *Context)
 	DPRINT_EXIT(NETVSC);
 }
 
-void NetVscOnChannelCallback(void *Context)
+static void NetVscOnChannelCallback(void *Context)
 {
 	int ret;
 	struct hv_device *device = Context;