[v4,8/9] ethdev: fix possible null pointer access
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Commit Message
The rte_tel_data_alloc() may return NULL, so the caller should add
judgement for it.
Fixes: 083b0b310b19 ("ethdev: add common stats for telemetry")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
---
lib/ethdev/rte_ethdev.c | 2 ++
1 file changed, 2 insertions(+)
@@ -5487,6 +5487,8 @@ eth_dev_add_port_queue_stats(struct rte_tel_data *d, uint64_t *q_stats,
{
int q;
struct rte_tel_data *q_data = rte_tel_data_alloc();
+ if (q_data == NULL)
+ return;
rte_tel_data_start_array(q_data, RTE_TEL_U64_VAL);
for (q = 0; q < RTE_ETHDEV_QUEUE_STAT_CNTRS; q++)
rte_tel_data_add_array_u64(q_data, q_stats[q]);