[v2] lib/bitratestats: fix unchecked return value
Checks
Commit Message
Checking the return value of rte_metrics_update_values, if failed
returning that value.
Coverity had picked up that that the return value wasn't being checked.
Coverity issue: 336863
Fixes: 2ad7ba9a6567 ("bitrate: add bitrate statistics library")
Cc: remy.horton@intel.com
Signed-off-by: Andrius Sirvys <andrius.sirvys@intel.com>
Acked-by: Rami Rosen <ramirose@gmail.com>
---
v2: Fixed checkpatch warnings and build failures
---
lib/librte_bitratestats/rte_bitrate.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
Comments
> -----Original Message-----
> From: stable [mailto:stable-bounces@dpdk.org] On Behalf Of Andrius Sirvys
> Sent: Thursday, April 18, 2019 9:52 AM
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Sirvys, Andrius <andrius.sirvys@intel.com>;
> remy.horton@intel.com
> Subject: [dpdk-stable] [PATCH v2] lib/bitratestats: fix unchecked return
> value
>
> Checking the return value of rte_metrics_update_values, if failed
> returning that value.
> Coverity had picked up that that the return value wasn't being checked.
>
> Coverity issue: 336863
> Fixes: 2ad7ba9a6567 ("bitrate: add bitrate statistics library")
> Cc: remy.horton@intel.com
>
> Signed-off-by: Andrius Sirvys <andrius.sirvys@intel.com>
> Acked-by: Rami Rosen <ramirose@gmail.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
> > Checking the return value of rte_metrics_update_values, if failed
> > returning that value.
> > Coverity had picked up that that the return value wasn't being checked.
> >
> > Coverity issue: 336863
> > Fixes: 2ad7ba9a6567 ("bitrate: add bitrate statistics library")
> > Cc: remy.horton@intel.com
> >
> > Signed-off-by: Andrius Sirvys <andrius.sirvys@intel.com>
> > Acked-by: Rami Rosen <ramirose@gmail.com>
>
> Acked-by: John McNamara <john.mcnamara@intel.com>
+Cc: stable
Applied, thanks
@@ -67,6 +67,7 @@ rte_stats_bitrate_calc(struct rte_stats_bitrates *bitrate_data,
int64_t delta;
const int64_t alpha_percent = 20;
uint64_t values[6];
+ int ret;
if (bitrate_data == NULL)
return -EINVAL;
@@ -124,7 +125,10 @@ rte_stats_bitrate_calc(struct rte_stats_bitrates *bitrate_data,
values[3] = port_data->mean_obits;
values[4] = port_data->peak_ibits;
values[5] = port_data->peak_obits;
- rte_metrics_update_values(port_id, bitrate_data->id_stats_set,
+ ret = rte_metrics_update_values(port_id, bitrate_data->id_stats_set,
values, ARRAY_SIZE(values));
+ if (ret < 0)
+ return ret;
+
return 0;
}