net: Fix arg to trace_napi_poll() in netpoll.

Reproted by Stephen Rothwell.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 00b14e2..67b4f3e 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -138,7 +138,7 @@
 	set_bit(NAPI_STATE_NPSVC, &napi->state);
 
 	work = napi->poll(napi, budget);
-	trace_napi_poll(napi->dev);
+	trace_napi_poll(napi);
 
 	clear_bit(NAPI_STATE_NPSVC, &napi->state);
 	atomic_dec(&trapped);