net/dpaa2: fix uninitialized variable

[ upstream commit 058043d ]

Initialize the kg_cfg structure before use in
rte_pmd_dpaa2_set_custom_hash(). This resolves an issue with
uninitialized memory access.

Fixes: 5f82296 ("net/dpaa2: support custom hash key")

Signed-off-by: Prashant Gupta <prashant.gupta_3@nxp.com>

Author: prashantgupta-ps

.mailmap

@@ -1161,6 +1161,7 @@ Piotr Pietruszewski <piotr.pietruszewski@intel.com>
 Piotr Skajewski <piotrx.skajewski@intel.com>
 Pradeep Satyanarayana <pradeep@us.ibm.com>
 Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
+Prashant Gupta <prashant.gupta_3@nxp.com>
 Prashant Upadhyaya <prashant.upadhyaya@aricent.com> <praupadhyaya@gmail.com>
 Prateek Agarwal <prateekag@cse.iitb.ac.in>
 Praveen Kaligineedi <pkaligineedi@google.com>

drivers/net/dpaa2/base/dpaa2_hw_dpni.c

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
- *   Copyright 2016-2021 NXP
+ *   Copyright 2016-2021,2023-2025 NXP
  *
  */
 
@@ -59,6 +59,7 @@ rte_pmd_dpaa2_set_custom_hash(uint16_t port_id,
 		return -ENOMEM;
 	}
 
+	memset(&kg_cfg, 0, sizeof(struct dpkg_profile_cfg));
 	kg_cfg.extracts[0].type = DPKG_EXTRACT_FROM_DATA;
 	kg_cfg.extracts[0].extract.from_data.offset = offset;
 	kg_cfg.extracts[0].extract.from_data.size = size;