igb: Fix build warning when DCA is disabled.

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

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 9331e52..022794e 100644 (file)
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -3379,7 +3379,6 @@ static void igb_write_itr(struct igb_ring *ring)
 static irqreturn_t igb_msix_rx(int irq, void *data)
 {
        struct igb_ring *rx_ring = data;
-       struct igb_adapter *adapter = rx_ring->adapter;
 
        /* Write the ITR value calculated at the end of the
         * previous interrupt.
@@ -3391,7 +3390,7 @@ static irqreturn_t igb_msix_rx(int irq, void *data)
                __netif_rx_schedule(&rx_ring->napi);
 
 #ifdef CONFIG_IGB_DCA
-       if (adapter->flags & IGB_FLAG_DCA_ENABLED)
+       if (rx_ring->adapter->flags & IGB_FLAG_DCA_ENABLED)
                igb_update_rx_dca(rx_ring);
 #endif
                return IRQ_HANDLED;