[NETPOLL]: Don't need rx_flags.

The rx_flags variable is redundant. Turning rx on/off is done
via setting the rx_np pointer.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 4 deletions

diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index e3d79593fb3a..a0525a1f4715 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -25,7 +25,6 @@ struct netpoll {
 
 struct netpoll_info {
         atomic_t refcnt;
-        int rx_flags;
         spinlock_t rx_lock;
         struct netpoll *rx_np; /* netpoll that registered an rx_hook */
         struct sk_buff_head arp_tx; /* list of arp requests to reply to */
@@ -51,12 +50,12 @@ static inline int netpoll_rx(struct sk_buff *skb)
         unsigned long flags;
         int ret = 0;
 
-        if (!npinfo || (!npinfo->rx_np && !npinfo->rx_flags))
+        if (!npinfo || !npinfo->rx_np)
                 return 0;
 
         spin_lock_irqsave(&npinfo->rx_lock, flags);
-        /* check rx_flags again with the lock held */
-        if (npinfo->rx_flags && __netpoll_rx(skb))
+        /* check rx_np again with the lock held */
+        if (npinfo->rx_np && __netpoll_rx(skb))
                 ret = 1;
         spin_unlock_irqrestore(&npinfo->rx_lock, flags);