[dpdk-dev] [PATCH 3/6] i40e: fix problematic dereference

[Helin Zhang]

Fix issue reported by Coverity.

Coverity ID 13294: Dereference before null check.

Fixes: a778a1fa2e4e ("i40e: set up and initialize flow director")

Signed-off-by: Helin Zhang <helin.zhang at intel.com>
---
 drivers/net/i40e/i40e_rxtx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 31bfc44..4fd96fe 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2981,13 +2981,15 @@ i40e_fdir_setup_tx_resources(struct i40e_pf *pf)
        struct i40e_tx_queue *txq;
        const struct rte_memzone *tz = NULL;
        uint32_t ring_size;
-       struct rte_eth_dev *dev = pf->adapter->eth_dev;
+       struct rte_eth_dev *dev;

        if (!pf) {
                PMD_DRV_LOG(ERR, "PF is not available");
                return I40E_ERR_BAD_PTR;
        }

+       dev = pf->adapter->eth_dev;
+
        /* Allocate the TX queue data structure. */
        txq = rte_zmalloc_socket("i40e fdir tx queue",
                                  sizeof(struct i40e_tx_queue),
-- 
2.5.0