net/enic: fix crash when freeing 0 packet to mempool

[dpdk.git] / drivers / net / enic / enic_rxtx.c

diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c
index 5867acf..a39172f 100644 (file)
--- a/drivers/net/enic/enic_rxtx.c
+++ b/drivers/net/enic/enic_rxtx.c
@@ -503,7 +503,8 @@ static inline void enic_free_wq_bufs(struct vnic_wq *wq, u16 completed_index)
                tail_idx = enic_ring_incr(desc_count, tail_idx);
        }
 
-       rte_mempool_put_bulk(pool, (void **)free, nb_free);
+       if (nb_free > 0)
+               rte_mempool_put_bulk(pool, (void **)free, nb_free);
 
        wq->tail_idx = tail_idx;
        wq->ring.desc_avail += nb_to_free;