[PATCH v4 2/3] net/nbl: fix null pointer dereferences issues

[Dimon Zhao]

Move debug log statement after NULL pointer validation in
nbl_dev_configure() to prevent dereference of adapter before the
check.

Coverity issue: 490950
Fixes: 93b38df5a2ec ("net/nbl: support basic configuration")
Cc: stable at dpdk.org

Signed-off-by: Dimon Zhao <dimon.zhao at nebula-matrix.com>
---
 drivers/net/nbl/nbl_dev/nbl_dev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/nbl/nbl_dev/nbl_dev.c b/drivers/net/nbl/nbl_dev/nbl_dev.c
index e926c06456..8a56939aa7 100644
--- a/drivers/net/nbl/nbl_dev/nbl_dev.c
+++ b/drivers/net/nbl/nbl_dev/nbl_dev.c
@@ -18,11 +18,11 @@ int nbl_dev_configure(struct rte_eth_dev *eth_dev)
 	struct nbl_adapter *adapter = ETH_DEV_TO_NBL_DEV_PF_PRIV(eth_dev);
 	int ret;
 
-	NBL_LOG(DEBUG, "Begin to configure the device, state: %d", adapter->state);
-
 	if (dev_data == NULL || adapter == NULL)
 		return -EINVAL;
 
+	NBL_LOG(DEBUG, "Begin to configure the device, state: %d", adapter->state);
+
 	if (rx_mq_mode != RTE_ETH_MQ_RX_NONE && rx_mq_mode != RTE_ETH_MQ_RX_RSS) {
 		NBL_LOG(ERR, "Rx mq mode %d is not supported", rx_mq_mode);
 		return -ENOTSUP;
-- 
2.34.1