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* [dpdk-dev] [PATCH] examples/l3fwd: fix error checking
@ 2020-04-17  8:25 Sunil Kumar Kori
  2020-05-01 11:15 ` Pavan Nikhilesh Bhagavatula
  0 siblings, 1 reply; 3+ messages in thread
From: Sunil Kumar Kori @ 2020-04-17  8:25 UTC (permalink / raw)
  To: Jerin Jacob, Marko Kovacevic, Ori Kam, Bruce Richardson,
	Radu Nicolau, Akhil Goyal, Tomasz Kantecki, Sunil Kumar Kori,
	Pavan Nikhilesh
  Cc: dev

Patch fixes coverity issues which handle return values from AP
calling.

Coverity issue: 354227, 354232, 354238, 354239, 354240

Fixes: aaf58cb85b62 ("examples/l3fwd: add event port and queue setup")

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---
 examples/l3fwd/l3fwd_event.c               |  6 +++++-
 examples/l3fwd/l3fwd_event_generic.c       |  9 +++++++--
 examples/l3fwd/l3fwd_event_internal_port.c | 10 ++++++++--
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/examples/l3fwd/l3fwd_event.c b/examples/l3fwd/l3fwd_event.c
index 43c47eade..4d31593a0 100644
--- a/examples/l3fwd/l3fwd_event.c
+++ b/examples/l3fwd/l3fwd_event.c
@@ -70,7 +70,11 @@ l3fwd_eth_dev_port_setup(struct rte_eth_conf *port_conf)
 		printf("Creating queues: nb_rxq=%d nb_txq=1...\n",
 		       evt_rsrc->eth_rx_queues);
 
-		rte_eth_dev_info_get(port_id, &dev_info);
+		ret = rte_eth_dev_info_get(port_id, &dev_info);
+		if (ret != 0)
+			rte_panic("Error during getting device (port %u) info:"
+				  "%s\n", port_id, strerror(-ret));
+
 		if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
 			local_port_conf.txmode.offloads |=
 						DEV_TX_OFFLOAD_MBUF_FAST_FREE;
diff --git a/examples/l3fwd/l3fwd_event_generic.c b/examples/l3fwd/l3fwd_event_generic.c
index c69c611dd..f8c98435d 100644
--- a/examples/l3fwd/l3fwd_event_generic.c
+++ b/examples/l3fwd/l3fwd_event_generic.c
@@ -101,7 +101,9 @@ l3fwd_event_port_setup_generic(void)
 		rte_panic("No space is available\n");
 
 	memset(&def_p_conf, 0, sizeof(struct rte_event_port_conf));
-	rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
+	ret = rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
+	if (ret < 0)
+		rte_panic("Error to get default configuration of event port\n");
 
 	if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold)
 		event_p_conf.new_event_threshold =
@@ -161,7 +163,10 @@ l3fwd_event_queue_setup_generic(uint32_t event_queue_cfg)
 	if (!evt_rsrc->evq.event_q_id)
 		rte_panic("Memory allocation failure\n");
 
-	rte_event_queue_default_conf_get(event_d_id, 0, &def_q_conf);
+	ret = rte_event_queue_default_conf_get(event_d_id, 0, &def_q_conf);
+	if (ret < 0)
+		rte_panic("Error to get default config of event queue\n");
+
 	if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows)
 		event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows;
 
diff --git a/examples/l3fwd/l3fwd_event_internal_port.c b/examples/l3fwd/l3fwd_event_internal_port.c
index 993e26f13..03ac581d6 100644
--- a/examples/l3fwd/l3fwd_event_internal_port.c
+++ b/examples/l3fwd/l3fwd_event_internal_port.c
@@ -99,7 +99,10 @@ l3fwd_event_port_setup_internal_port(void)
 	if (!evt_rsrc->evp.event_p_id)
 		rte_panic("Failed to allocate memory for Event Ports\n");
 
-	rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
+	ret = rte_event_port_default_conf_get(event_d_id, 0, &def_p_conf);
+	if (ret < 0)
+		rte_panic("Error to get default configuration of event port\n");
+
 	if (def_p_conf.new_event_threshold < event_p_conf.new_event_threshold)
 		event_p_conf.new_event_threshold =
 						def_p_conf.new_event_threshold;
@@ -150,7 +153,10 @@ l3fwd_event_queue_setup_internal_port(uint32_t event_queue_cfg)
 	uint8_t event_q_id = 0;
 	int32_t ret;
 
-	rte_event_queue_default_conf_get(event_d_id, event_q_id, &def_q_conf);
+	ret = rte_event_queue_default_conf_get(event_d_id, event_q_id,
+					       &def_q_conf);
+	if (ret < 0)
+		rte_panic("Error to get default config of event queue\n");
 
 	if (def_q_conf.nb_atomic_flows < event_q_conf.nb_atomic_flows)
 		event_q_conf.nb_atomic_flows = def_q_conf.nb_atomic_flows;
-- 
2.17.1


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2020-04-17  8:25 [dpdk-dev] [PATCH] examples/l3fwd: fix error checking Sunil Kumar Kori
2020-05-01 11:15 ` Pavan Nikhilesh Bhagavatula
2020-05-01 17:43   ` Jerin Jacob

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