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

[Pavan Nikhilesh]

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

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

Fixes: af75078fece3 ("first public release")

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

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index d257406..00f1a8c 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -909,7 +909,7 @@ rte_eth_dev_start(uint8_t port_id)
 		RTE_PMD_DEBUG_TRACE("Device with port_id=%" PRIu8
 			" already started\n",
 			port_id);
-		return 0;
+		return -EBUSY;
 	}
 
 	diag = (*dev->dev_ops->dev_start)(dev);
-- 
2.7.4