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From: Hernan Vargas <hernan.vargas@intel.com>
To: dev@dpdk.org, gakhil@marvell.com, trix@redhat.com,
	maxime.coquelin@redhat.com
Cc: nicolas.chautru@intel.com, qi.z.zhang@intel.com,
	Hernan Vargas <hernan.vargas@intel.com>,
	stable@dpdk.org
Subject: [PATCH v4 06/30] baseband/acc100: check for unlikely operation vals
Date: Tue, 18 Oct 2022 17:38:54 -0700	[thread overview]
Message-ID: <20221019003918.257506-7-hernan.vargas@intel.com> (raw)
In-Reply-To: <20221019003918.257506-1-hernan.vargas@intel.com>

Add unlikely checks for NULL operation values.

Fixes: f404dfe35cc ("baseband/acc100: support 4G processing")
Cc: stable@dpdk.org

Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 drivers/baseband/acc/rte_acc100_pmd.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
index bf0d7d77e7..50c1536dee 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -2179,6 +2179,10 @@ enqueue_enc_one_op_tb(struct acc_queue *q, struct rte_bbdev_enc_op *op,
 	r = op->turbo_enc.tb_params.r;
 
 	while (mbuf_total_left > 0 && r < c) {
+		if (unlikely(input == NULL)) {
+			rte_bbdev_log(ERR, "Not enough input segment");
+			return -EINVAL;
+		}
 		seg_total_left = rte_pktmbuf_data_len(input) - in_offset;
 		/* Set up DMA descriptor */
 		desc = acc_desc(q, total_enqueued_cbs);
@@ -3096,6 +3100,8 @@ acc100_enqueue_ldpc_dec_tb(struct rte_bbdev_queue_data *q_data,
 			break;
 		enqueued_cbs += ret;
 	}
+	if (unlikely(enqueued_cbs == 0))
+		return 0; /* Nothing to enqueue */
 
 	acc_dma_enqueue(q, enqueued_cbs, &q_data->queue_stats);
 
@@ -3624,6 +3630,8 @@ acc100_dequeue_dec(struct rte_bbdev_queue_data *q_data,
 
 	for (i = 0; i < dequeue_num; ++i) {
 		op = acc_op_tail(q, dequeued_cbs);
+		if (unlikely(op == NULL))
+			break;
 		if (op->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK)
 			ret = dequeue_dec_one_op_tb(q, &ops[i], dequeued_cbs,
 					&aq_dequeued);
@@ -3669,6 +3677,8 @@ acc100_dequeue_ldpc_dec(struct rte_bbdev_queue_data *q_data,
 	for (i = 0; i < dequeue_num; ++i) {
 		op = (q->ring_addr + ((q->sw_ring_tail + dequeued_cbs)
 			& q->sw_ring_wrap_mask))->req.op_addr;
+		if (unlikely(op == NULL))
+			break;
 		if (op->ldpc_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK)
 			ret = dequeue_dec_one_op_tb(q, &ops[i], dequeued_cbs,
 					&aq_dequeued);
-- 
2.37.1


  parent reply	other threads:[~2022-10-18 16:43 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-19  0:38 [PATCH v4 00/30] baseband/acc100: changes for 22.11 Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 01/30] baseband/acc100: fix ring availability calculation Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 02/30] baseband/acc100: add function to check AQ availability Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 03/30] baseband/acc100: memory leak fix Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 04/30] baseband/acc100: add LDPC encoder padding function Hernan Vargas
2022-10-20  9:58   ` [EXT] " Akhil Goyal
2022-10-19  0:38 ` [PATCH v4 05/30] baseband/acc100: check turbo dec/enc input Hernan Vargas
2022-10-19  0:38 ` Hernan Vargas [this message]
2022-10-19  0:38 ` [PATCH v4 07/30] baseband/acc100: enforce additional check on FCW Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 08/30] baseband/acc100: allocate ring/queue mem when NULL Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 09/30] baseband/acc100: reduce input length for CRC24B Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 10/30] baseband/acc100: fix clearing PF IR outside handler Hernan Vargas
2022-10-19  0:38 ` [PATCH v4 11/30] baseband/acc100: set device min alignment to 1 Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 12/30] baseband/acc100: add protection for NULL HARQ input Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 13/30] baseband/acc100: reset pointer after rte_free Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 14/30] baseband/acc100: fix debug print for LDPC FCW Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 15/30] baseband/acc100: add enqueue status Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 16/30] baseband/acc100: add scatter-gather support Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 17/30] baseband/acc100: add HARQ index helper function Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 18/30] baseband/acc100: enable input validation by default Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 19/30] baseband/acc100: added LDPC transport block support Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 20/30] baseband/acc100: update validate LDPC enc/dec Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 21/30] baseband/acc100: implement configurable queue depth Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 22/30] baseband/acc100: add queue stop operation Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 23/30] baseband/acc100: update uplink CB input length Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 24/30] baseband/acc100: update log messages Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 25/30] baseband/acc100: store FCW from first CB descriptor Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 26/30] baseband/acc100: update device info Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 27/30] baseband/acc100: add ring companion address Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 28/30] baseband/acc100: add workaround for deRM corner cases Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 29/30] baseband/acc100: configure PMON control registers Hernan Vargas
2022-10-19  0:39 ` [PATCH v4 30/30] baseband/acc100: update guide docs Hernan Vargas
2022-10-20  9:59   ` [EXT] " Akhil Goyal

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