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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 16/17] net/nfp: fix null pointer dereferences
Date: Mon, 24 Jun 2024 09:57:22 +0800	[thread overview]
Message-ID: <20240624015723.3712898-17-chaoyong.he@corigine.com> (raw)
In-Reply-To: <20240624015723.3712898-1-chaoyong.he@corigine.com>

CI found null pointer dereferences problem.

Coverity issue: 426271
Fixes: 153ef2e49ed7 ("net/nfp: add process private structure")
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/nfp_net_common.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_net_common.c b/drivers/net/nfp/nfp_net_common.c
index 84893e2d73..aed40daa67 100644
--- a/drivers/net/nfp/nfp_net_common.c
+++ b/drivers/net/nfp/nfp_net_common.c
@@ -1265,6 +1265,8 @@ nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 
 	hw = nfp_net_get_hw(dev);
 	hw_priv = dev->process_private;
+	if (hw_priv == NULL)
+		return -EINVAL;
 
 	nfp_net_rx_desc_limits(hw_priv, &min_rx_desc, &max_rx_desc);
 	nfp_net_tx_desc_limits(hw, hw_priv, &min_tx_desc, &max_tx_desc);
@@ -1367,7 +1369,7 @@ nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	}
 
 	/* Only PF supports getting speed capability. */
-	if (hw_priv != NULL && hw_priv->pf_dev != NULL)
+	if (hw_priv->pf_dev != NULL)
 		dev_info->speed_capa = hw_priv->pf_dev->speed_capa;
 
 	return 0;
-- 
2.39.1


  parent reply	other threads:[~2024-06-24  1:58 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240624015723.3712898-1-chaoyong.he@corigine.com>
2024-06-24  1:57 ` [PATCH 03/17] net/nfp: fix link status display problem Chaoyong He
2024-06-24  1:57 ` [PATCH 04/17] net/nfp: fix coredump caused by firmware abnormal cleanup Chaoyong He
2024-06-24  1:57 ` [PATCH 05/17] net/nfp: forbid offload flow rules with empty action list Chaoyong He
2024-06-24  1:57 ` [PATCH 06/17] net/nfp: remove redundancy function call Chaoyong He
2024-06-24  1:57 ` [PATCH 07/17] net/nfp: fix flow rule match data problem Chaoyong He
2024-06-24  1:57 ` [PATCH 08/17] net/nfp: fix flow rule action " Chaoyong He
2024-06-24  1:57 ` [PATCH 11/17] net/nfp: fix flow position index problem Chaoyong He
2024-06-24  1:57 ` [PATCH 12/17] net/nfp: fix getting firmware version Chaoyong He
2024-06-24  1:57 ` [PATCH 13/17] doc: update the metadata description section Chaoyong He
2024-06-24  1:57 ` [PATCH 14/17] net/nfp: remove the unneeded logic Chaoyong He
2024-06-24  1:57 ` [PATCH 15/17] net/nfp: adapts the reverse sequence card Chaoyong He
2024-06-24  1:57 ` Chaoyong He [this message]
2024-06-24  1:57 ` [PATCH 17/17] net/nfp: fix port action core dump Chaoyong He
2024-07-07 23:57   ` Ferruh Yigit

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