net: Fix arg to trace_napi_poll() in netpoll.

Reproted by Stephen Rothwell.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/core/netpoll.c

@@ -138,7 +138,7 @@ static int poll_one_napi(struct netpoll_info *npinfo,
 	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);