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From: Chengwen Feng <fengchengwen@huawei.com>
To: <thomas@monjalon.net>, <ferruh.yigit@amd.com>,
<andrew.rybchenko@oktetlabs.ru>
CC: <dev@dpdk.org>, <ciara.power@intel.com>, <kevin.laatz@intel.com>,
<bruce.richardson@intel.com>
Subject: [PATCH v3 2/5] telemetry: fix repeat display when callback don't init
dict
Date: Fri, 20 Jan 2023 03:25:33 +0000
Message-ID: <20230120032536.33595-3-fengchengwen@huawei.com>
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When a telemetry callback doesn't initialize the telemetry data
structure and returns a non-negative number, the telemetry will repeat
to display the last result. This patch zero the data structure to avoid
the problem.
Fixes: 6dd571fd07c3 ("telemetry: introduce new functionality")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Reviewed-by: Bruce Richardson <bruce.richardson@intel.com>
---
lib/telemetry/telemetry.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/telemetry/telemetry.c b/lib/telemetry/telemetry.c
index 8fbb4f3060..7b905355cd 100644
--- a/lib/telemetry/telemetry.c
+++ b/lib/telemetry/telemetry.c
@@ -333,7 +333,7 @@ output_json(const char *cmd, const struct rte_tel_data *d, int s)
static void
perform_command(telemetry_cb fn, const char *cmd, const char *param, int s)
{
- struct rte_tel_data data;
+ struct rte_tel_data data = {0};
int ret = fn(cmd, param, &data);
if (ret < 0) {
--
2.17.1