[dpdk-dev] [PATCH] app/crypto-perf: check minimum lcore number

[Pablo de Lara]

The crypto performance application requires at least
two cores: one master core that launches the other slaves
and one core acting as slave running the crypto device.

Fixes: f8be1786b1b8 ("app/crypto-perf: introduce performance test application")
Cc: stable at dpdk.org

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
---
 app/test-crypto-perf/main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/test-crypto-perf/main.c b/app/test-crypto-perf/main.c
index d905e13a1..26e78ff43 100644
--- a/app/test-crypto-perf/main.c
+++ b/app/test-crypto-perf/main.c
@@ -80,6 +80,12 @@ cperf_initialize_cryptodev(struct cperf_options *opts, uint8_t *enabled_cdevs,
 
 	nb_lcores = rte_lcore_count() - 1;
 
+	if (nb_lcores < 1) {
+		RTE_LOG(ERR, USER1,
+			"Number of enabled cores need to be higher than 1\n");
+		return -EINVAL;
+	}
+
 	/*
 	 * Use less number of devices,
 	 * if there are more available than cores.
-- 
2.17.0