The DPDK rte_free API already handles NULL pointer.
Found by cocci/nullfree.cocci script.

Signed-off-by: Stephen Hemminger <[email protected]>
---
 drivers/net/sxe2/sxe2_cmd_chnl.c    | 6 ++----
 drivers/net/sxe2/sxe2_ethdev.c      | 3 +--
 drivers/net/sxe2/sxe2_ethdev_repr.c | 3 +--
 drivers/net/sxe2/sxe2_mp.c          | 3 +--
 drivers/net/sxe2/sxe2_rss.c         | 3 +--
 drivers/net/sxe2/sxe2_txrx_poll.c   | 3 +--
 6 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/net/sxe2/sxe2_cmd_chnl.c b/drivers/net/sxe2/sxe2_cmd_chnl.c
index b09989fe50..4c0e656423 100644
--- a/drivers/net/sxe2/sxe2_cmd_chnl.c
+++ b/drivers/net/sxe2/sxe2_cmd_chnl.c
@@ -263,8 +263,7 @@ int32_t sxe2_drv_rxq_ctxt_cfg(struct sxe2_adapter *adapter,
                PMD_DEV_LOG_ERR(adapter, DRV, "rxq cfg failed, ret=%d", ret);
 
 l_end:
-       if (req)
-               rte_free(req);
+       rte_free(req);
        return ret;
 }
 
@@ -320,8 +319,7 @@ int32_t sxe2_drv_txq_ctxt_cfg(struct sxe2_adapter *adapter,
                PMD_DEV_LOG_ERR(adapter, DRV, "txq cfg failed, ret=%d", ret);
 
 l_end:
-       if (req)
-               rte_free(req);
+       rte_free(req);
        return ret;
 }
 
diff --git a/drivers/net/sxe2/sxe2_ethdev.c b/drivers/net/sxe2/sxe2_ethdev.c
index 8bbfdc3a15..625365e31c 100644
--- a/drivers/net/sxe2/sxe2_ethdev.c
+++ b/drivers/net/sxe2/sxe2_ethdev.c
@@ -2063,8 +2063,7 @@ static int32_t sxe2_dev_uninit(struct rte_eth_dev *dev)
                        ret = rep_dev->dev_ops->dev_close(rep_dev);
                        if (ret)
                                goto l_end;
-                       if (rep_dev->intr_handle)
-                               rte_intr_instance_free(rep_dev->intr_handle);
+                       rte_intr_instance_free(rep_dev->intr_handle);
                        ret = rte_eth_dev_release_port(rep_dev);
                        if (ret)
                                goto l_end;
diff --git a/drivers/net/sxe2/sxe2_ethdev_repr.c 
b/drivers/net/sxe2/sxe2_ethdev_repr.c
index f32318b731..86686ec548 100644
--- a/drivers/net/sxe2/sxe2_ethdev_repr.c
+++ b/drivers/net/sxe2/sxe2_ethdev_repr.c
@@ -594,8 +594,7 @@ int32_t sxe2_switchdev_repr_devs_init(struct sxe2_adapter 
*adapter,
                struct rte_eth_dev *rep_dev = 
adapter->repr_ctxt.vf_rep_eth_dev[tmp_repr_idx];
                if (rep_dev) {
                        sxe2_repr_dev_uinit(rep_dev);
-                       if (rep_dev->intr_handle)
-                               rte_intr_instance_free(rep_dev->intr_handle);
+                       rte_intr_instance_free(rep_dev->intr_handle);
                        rte_eth_dev_release_port(rep_dev);
                        adapter->repr_ctxt.vf_rep_eth_dev[tmp_repr_idx] = NULL;
                }
diff --git a/drivers/net/sxe2/sxe2_mp.c b/drivers/net/sxe2/sxe2_mp.c
index a4a5c76495..9aa5461a94 100644
--- a/drivers/net/sxe2/sxe2_mp.c
+++ b/drivers/net/sxe2/sxe2_mp.c
@@ -282,8 +282,7 @@ int32_t sxe2_mp_request_simple(struct rte_eth_dev *dev,
        *result_out = ((struct sxe2_mp_param *)reply.msgs[0].param)->result;
 
 out:
-       if (reply.msgs != NULL)
-               free(reply.msgs);
+       free(reply.msgs);
 
        return ret;
 }
diff --git a/drivers/net/sxe2/sxe2_rss.c b/drivers/net/sxe2/sxe2_rss.c
index 1d56613043..44e1ecda27 100644
--- a/drivers/net/sxe2/sxe2_rss.c
+++ b/drivers/net/sxe2/sxe2_rss.c
@@ -439,8 +439,7 @@ int32_t sxe2_dev_rss_reta_update(struct rte_eth_dev *dev,
        rte_memcpy(rss_ctxt->rss_lut, lut_tmp, reta_size);
 
 l_end:
-       if (lut_tmp)
-               rte_free(lut_tmp);
+       rte_free(lut_tmp);
        return ret;
 }
 
diff --git a/drivers/net/sxe2/sxe2_txrx_poll.c 
b/drivers/net/sxe2/sxe2_txrx_poll.c
index 21925f1cd4..5dcbac9953 100644
--- a/drivers/net/sxe2/sxe2_txrx_poll.c
+++ b/drivers/net/sxe2/sxe2_txrx_poll.c
@@ -1121,8 +1121,7 @@ uint16_t sxe2_rx_pkts_scattered_split(void *rx_queue, 
struct rte_mbuf **rx_pkts,
                        new_mbuf_pay = rte_mbuf_raw_alloc(rxq->rx_seg[1].mp);
                        if (unlikely(new_mbuf_pay == NULL)) {
                                
rxq->vsi->adapter->dev_info.dev_data->rx_mbuf_alloc_failed++;
-                               if (new_mbuf != NULL)
-                                       rte_pktmbuf_free(new_mbuf);
+                               rte_pktmbuf_free(new_mbuf);
                                new_mbuf = NULL;
                                break;
                        }
-- 
2.53.0

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