[PATCH v1 2/6] baseband/fpga_5gnr_fec: fix seg fault unconf queue

[Hernan Vargas <hernan.vargas@intel.com>]

Adding exception to prevent segmentation fault in case a queue is
started which was not configured earlier.

Fixes: c58109a8871d ("baseband/fpga_5gnr_fec: add queue configuration")
Cc: stable@dpdk.org

Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
---
 drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c b/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c
index 9388cce52960..a6211f73e6e3 100644
--- a/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c
+++ b/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c
@@ -573,6 +573,10 @@ fpga_queue_start(struct rte_bbdev *dev, uint16_t queue_id)
 		return -1;
 	}
 #endif
+	if (dev->data->queues[queue_id].queue_private == NULL) {
+		rte_bbdev_log(ERR, "Cannot start invalid queue %d", queue_id);
+		return -1;
+	}
 	struct fpga_queue *q = dev->data->queues[queue_id].queue_private;
 	uint32_t offset = FPGA_5GNR_FEC_RING_CTRL_REGS +
 			(sizeof(struct fpga_ring_ctrl_reg) * q->q_idx);
-- 
2.37.1