[dpdk-dev] [PATCH] cryptodev: fix cryptodev start return value

[Pavan Nikhilesh]

From: Pavan Nikhilesh Bhagavatula <pbhagavatula at caviumnetworks.com>

If cryptodev has already started it should return -EBUSY instead of 0
when rte_cryptodev_start is called.

Fixes: d11b0f30df88 ("cryptodev: introduce API and framework for crypto devices")

Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
---
 lib/librte_cryptodev/rte_cryptodev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index b65cd9c..c815038 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -1000,7 +1000,7 @@ rte_cryptodev_start(uint8_t dev_id)
 	if (dev->data->dev_started != 0) {
 		CDEV_LOG_ERR("Device with dev_id=%" PRIu8 " already started",
 			dev_id);
-		return 0;
+		return -EBUSY;
 	}
 
 	diag = (*dev->dev_ops->dev_start)(dev);
-- 
2.7.4