[PATCH 5/5] net/nfp: fix null pointer dereferences

[Chaoyong He]

CI found null pointer dereferences problem.

Coverity issue: 385406
Fixes: d7f6d9b21ffa ("net/nfp: adjust coding style for NFDk")
Cc: stable at dpdk.org

Signed-off-by: Chaoyong He <chaoyong.he at corigine.com>
Reviewed-by: Long Wu <long.wu at corigine.com>
Reviewed-by: Peng Zhang <peng.zhang at corigine.com>
---
 drivers/net/nfp/nfdk/nfp_nfdk_dp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/nfp/nfdk/nfp_nfdk_dp.c b/drivers/net/nfp/nfdk/nfp_nfdk_dp.c
index 1f330b7bb6..0141fbcc8f 100644
--- a/drivers/net/nfp/nfdk/nfp_nfdk_dp.c
+++ b/drivers/net/nfp/nfdk/nfp_nfdk_dp.c
@@ -301,6 +301,9 @@ nfp_net_nfdk_xmit_pkts_common(void *tx_queue,
 		uint64_t metadata = 0;
 
 		pkt = *(tx_pkts + npkts);
+		if (pkt == NULL)
+			goto xmit_end;
+
 		nop_descs = nfp_net_nfdk_tx_maybe_close_block(txq, pkt);
 		if (nop_descs < 0)
 			goto xmit_end;
-- 
2.39.1