net/nfb: skip log for zero-sized Tx burst

Zero-sized TX burst floods the log no more.

Signed-off-by: Martin Spinler <spinler@cesnet.cz>

diff --git a/drivers/net/nfb/nfb_tx.h b/drivers/net/nfb/nfb_tx.h
index d3cbe3e..910020e 100644 (file)
--- a/drivers/net/nfb/nfb_tx.h
+++ b/drivers/net/nfb/nfb_tx.h
@@ -136,7 +136,10 @@ nfb_eth_ndp_tx(void *queue,
 
        struct ndp_packet packets[nb_pkts];
 
-       if (unlikely(ndp->queue == NULL || nb_pkts == 0)) {
+       if (unlikely(nb_pkts == 0))
+               return 0;
+
+       if (unlikely(ndp->queue == NULL)) {
                RTE_LOG(ERR, PMD, "TX invalid arguments!\n");
                return 0;
        }