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From: Chengwen Feng <fengchengwen@huawei.com>
To: <thomas@monjalon.net>, <ferruh.yigit@amd.com>, Qi Zhang
<qi.z.zhang@intel.com>, Xiao Wang <xiao.w.wang@intel.com>, Jing Chen
<jing.d.chen@intel.com>, John McNamara <john.mcnamara@intel.com>
CC: <dev@dpdk.org>
Subject: [PATCH v2 14/44] net/fm10k: fix segment fault when parse devargs
Date: Mon, 20 Mar 2023 09:20:40 +0000
Message-ID: <20230320092110.37295-15-fengchengwen@huawei.com>
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The rte_kvargs_process() was used to parse KV pairs, it also supports
to parse 'only keys' (e.g. socket_id) type. And the callback function
parameter 'value' is NULL when parsed 'only keys'.
This patch fixes segment fault when parse input args with 'only keys'.
Fixes: 7958b1310d5e ("fm10k: enable FTAG based forwarding")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
---
drivers/net/fm10k/fm10k_ethdev.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 8b83063f0a..2096c6ffab 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -2873,6 +2873,9 @@ static const struct eth_dev_ops fm10k_eth_dev_ops = {
static int ftag_check_handler(__rte_unused const char *key,
const char *value, __rte_unused void *opaque)
{
+ if (value == NULL)
+ return -EINVAL;
+
if (strcmp(value, "1"))
return -1;
--
2.17.1