[dpdk-dev] [PATCH v3 38/54] examples/vhost: check status of getting ethdev info

Andrew Rybchenko arybchenko at solarflare.com
Fri Sep 6 09:30:50 CEST 2019


From: Ivan Ilchenko <Ivan.Ilchenko at oktetlabs.com>

rte_eth_dev_info_get() return value was changed from void to
int, so this patch modify rte_eth_dev_info_get() usage across
examples/vhost according to its new return type.

Signed-off-by: Ivan Ilchenko <Ivan.Ilchenko at oktetlabs.com>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 examples/vhost/main.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index 0961db0803..794d12ba7e 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -228,7 +228,14 @@ port_init(uint16_t port)
 	uint16_t q;
 
 	/* The max pool number from dev_info will be used to validate the pool number specified in cmd line */
-	rte_eth_dev_info_get (port, &dev_info);
+	retval = rte_eth_dev_info_get(port, &dev_info);
+	if (retval != 0) {
+		RTE_LOG(ERR, VHOST_PORT,
+			"Error during getting device (port %u) info: %s\n",
+			port, strerror(-retval));
+
+		return retval;
+	}
 
 	rxconf = &dev_info.default_rxconf;
 	txconf = &dev_info.default_txconf;
-- 
2.17.1



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