> -----Original Message-----
> From: Mrozowicz, SlawomirX
> Sent: Friday, May 13, 2016 9:35 AM
> To: Dumitrescu, Cristian <cristian.dumitrescu at intel.com>
> Cc: dev at dpdk.org; Singh, Jasvinder <jasvinder.singh at intel.com>;
> Mrozowicz, SlawomirX <slawomirx.mrozowicz at intel.com>
> Subject: [PATCH v4] examples/qos_meter: fix unchecked return value
>
> Fix issue reported by Coverity.
>
> Coverity ID 30693: Unchecked return value
> check_return: Calling rte_meter_srtcm_config without checking return
> value.
>
> Fixes: e6541fdec8b2 ("meter: initial import")
>
> Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz at intel.com>
> ---
> examples/qos_meter/main.c | 16 ++++++++++++----
> examples/qos_meter/main.h | 2 +-
> 2 files changed, 13 insertions(+), 5 deletions(-)
>
> diff --git a/examples/qos_meter/main.c b/examples/qos_meter/main.c
> index b968b00..1565615 100644
> --- a/examples/qos_meter/main.c
> +++ b/examples/qos_meter/main.c
> @@ -133,14 +133,20 @@ struct rte_meter_trtcm_params
> app_trtcm_params[] = {
>
> FLOW_METER app_flows[APP_FLOWS_MAX];
>
> -static void
> +static int
> app_configure_flow_table(void)
> {
> uint32_t i, j;
> + int ret;
>
> - for (i = 0, j = 0; i < APP_FLOWS_MAX; i ++, j = (j + 1) %
> RTE_DIM(PARAMS)){
> - FUNC_CONFIG(&app_flows[i], &PARAMS[j]);
> + for (i = 0, j = 0; i < APP_FLOWS_MAX;
> + i ++, j = (j + 1) % RTE_DIM(PARAMS)) {
> + ret = FUNC_CONFIG(&app_flows[i], &PARAMS[j]);
> + if (ret)
> + return ret;
> }
> +
> + return 0;
> }
>
> static inline void
> @@ -381,7 +387,9 @@ main(int argc, char **argv)
> rte_eth_promiscuous_enable(port_tx);
>
> /* App configuration */
> - app_configure_flow_table();
> + ret = app_configure_flow_table();
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "Invalid configure flow table\n");
>
> /* Launch per-lcore init on every lcore */
> rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
> diff --git a/examples/qos_meter/main.h b/examples/qos_meter/main.h
> index 530bf69..54867dc 100644
> --- a/examples/qos_meter/main.h
> +++ b/examples/qos_meter/main.h
> @@ -51,7 +51,7 @@ enum policer_action
> policer_table[e_RTE_METER_COLORS][e_RTE_METER_COLORS] =
> #if APP_MODE == APP_MODE_FWD
>
> #define FUNC_METER(a,b,c,d) color, flow_id=flow_id, pkt_len=pkt_len,
> time=time
> -#define FUNC_CONFIG(a,b)
> +#define FUNC_CONFIG(a, b) 0
> #define PARAMS app_srtcm_params
> #define FLOW_METER int
>
> --
> 1.9.1
Acked-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>
