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From: Chaoyong He <chaoyong.he@corigine.com>
To: dev@dpdk.org
Cc: oss-drivers@corigine.com, Chaoyong He <chaoyong.he@corigine.com>,
	stable@dpdk.org, Long Wu <long.wu@corigine.com>,
	Peng Zhang <peng.zhang@corigine.com>
Subject: [PATCH 5/5] net/nfp: fix null pointer dereferences
Date: Wed, 15 Nov 2023 11:23:10 +0800	[thread overview]
Message-ID: <20231115032310.756221-6-chaoyong.he@corigine.com> (raw)
In-Reply-To: <20231115032310.756221-1-chaoyong.he@corigine.com>

CI found null pointer dereferences problem.

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

Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Peng Zhang <peng.zhang@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


      parent reply	other threads:[~2023-11-15  3:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-15  3:23 [PATCH 0/5] fix coverity issues Chaoyong He
2023-11-15  3:23 ` [PATCH 1/5] vdpa/nfp: fix checking return value Chaoyong He
2023-11-15  3:23 ` [PATCH 2/5] vdpa/nfp: fix integer handling issues Chaoyong He
2023-11-15  3:23 ` [PATCH 3/5] common/nfp: " Chaoyong He
2023-11-22 11:50   ` Thomas Monjalon
2023-11-23  1:23     ` Chaoyong He
2023-11-23  2:08       ` Thomas Monjalon
2023-11-15  3:23 ` [PATCH 4/5] net/nfp: fix integer shift problem Chaoyong He
2023-11-15  3:23 ` Chaoyong He [this message]

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