net/bnxt: fix a pointer deref before null check

Coverity issue: 158634
Fixes: daef48efe5e5 ("net/bnxt: support set MTU")
Cc: stable@dpdk.org
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index d9621e5..d68d26f 100644 (file)
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -437,11 +437,11 @@ static int bnxt_rx_pkt(struct rte_mbuf **rx_pkt,
 
        cons = rxcmp->opaque;
        mbuf = bnxt_consume_rx_buf(rxr, cons);
-       rte_prefetch0(mbuf);
-
        if (mbuf == NULL)
                return -EBUSY;
 
+       rte_prefetch0(mbuf);
+
        mbuf->nb_segs = 1;
        mbuf->next = NULL;
        mbuf->pkt_len = rxcmp->len;