dpdk/0094-ethdev-fix-possible-null-pointer-access.patch
Dongdong Liu b381e82182 sync patches from 22.07
sync patches from 22.07 for hns3, dma and testpmd etc.

Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
(cherry picked from commit 7beb6a72fff2920a2d993030b0b02822249707fb)
2022-07-11 16:33:37 +08:00

38 lines
1.2 KiB
Diff

From bfe03dd331bcfda1ab9fcbe32305eb515b5d7e32 Mon Sep 17 00:00:00 2001
From: Chengwen Feng <fengchengwen@huawei.com>
Date: Fri, 13 May 2022 10:53:56 +0800
Subject: [PATCH 094/122] ethdev: fix possible null pointer access
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
---
lib/ethdev/rte_ethdev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index 1db59d3a0e..e55d11937e 100644
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -6166,6 +6166,8 @@ 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]);
--
2.22.0