[NET]: Need to disable preempt in softirq check of netif_rx_ni.

Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netdevice.h

@@ -695,8 +695,12 @@ extern int		netdev_nit;
 static inline int netif_rx_ni(struct sk_buff *skb)
 {
        int err = netif_rx(skb);
+
+       preempt_disable();
        if (softirq_pending(smp_processor_id()))
                do_softirq();
+       preempt_enable();
+
        return err;
 }