net/nfp: fix Rx interrupt

Current code enables RX interrupts even if this it not
requested.

Fixes: ea121b28316d ("net/nfp: add Rx interrupts")
Cc: stable@dpdk.org
Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 6155d7c..a1ad97a 100644 (file)
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -708,7 +708,8 @@ nfp_net_start(struct rte_eth_dev *dev)
                        return -1;
        }
 
-       nfp_configure_rx_interrupt(dev, intr_handle);
+       if (rte_intr_dp_is_en(intr_handle))
+               nfp_configure_rx_interrupt(dev, intr_handle);
 
        rte_intr_enable(intr_handle);