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* [dpdk-dev] [PATCH v4] examples/qos_meter: fix unchecked return value
@ 2016-05-13  8:35 Slawomir Mrozowicz
  2016-05-13  9:07 ` Dumitrescu, Cristian
  0 siblings, 1 reply; 3+ messages in thread
From: Slawomir Mrozowicz @ 2016-05-13  8:35 UTC (permalink / raw)
  To: cristian.dumitrescu; +Cc: dev, jasvinder.singh, Slawomir Mrozowicz

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@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

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-05-16 16:48 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-05-13  8:35 [dpdk-dev] [PATCH v4] examples/qos_meter: fix unchecked return value Slawomir Mrozowicz
2016-05-13  9:07 ` Dumitrescu, Cristian
2016-05-16 16:48   ` Thomas Monjalon

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