[dpdk-dev] [PATCH 5/5] bonding: add read/write lock to the link_update function

[Bernard Iremonger]

Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
---
 drivers/net/bonding/rte_eth_bond_pmd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c 
b/drivers/net/bonding/rte_eth_bond_pmd.c
index 6e1cc10..fff6654 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -1819,9 +1819,11 @@ bond_ethdev_link_update(struct rte_eth_dev 
*bonded_eth_dev,
 {
        struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;

+       rte_rwlock_read_lock(&internals->rwlock);
        if (!bonded_eth_dev->data->dev_started ||
                internals->active_slave_count == 0) {
                bonded_eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
+               rte_rwlock_read_unlock(&internals->rwlock);
                return 0;
        } else {
                struct rte_eth_dev *slave_eth_dev;
@@ -1840,7 +1842,7 @@ bond_ethdev_link_update(struct rte_eth_dev 
*bonded_eth_dev,

                bonded_eth_dev->data->dev_link.link_status = link_up;
        }
-
+       rte_rwlock_read_unlock(&internals->rwlock);
        return 0;
 }

-- 
2.6.3