ionic: fix vf op lock usage

These are a couple of read locks that should be write locks.

Fixes: 891d6f039073 ("ionic: support sr-iov operations")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 191271f6260d2923d577d81fbc53b4d4242af0d5..c2f5b691e0fa09092dc82b6361f6b2ba64a8fc70 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -1688,7 +1688,7 @@ static int ionic_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
        if (!(is_zero_ether_addr(mac) || is_valid_ether_addr(mac)))
                return -EINVAL;
 
-       down_read(&ionic->vf_op_lock);
+       down_write(&ionic->vf_op_lock);
 
        if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
                ret = -EINVAL;
@@ -1698,7 +1698,7 @@ static int ionic_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
                        ether_addr_copy(ionic->vfs[vf].macaddr, mac);
        }
 
-       up_read(&ionic->vf_op_lock);
+       up_write(&ionic->vf_op_lock);
        return ret;
 }
 
@@ -1719,7 +1719,7 @@ static int ionic_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
        if (proto != htons(ETH_P_8021Q))
                return -EPROTONOSUPPORT;
 
-       down_read(&ionic->vf_op_lock);
+       down_write(&ionic->vf_op_lock);
 
        if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
                ret = -EINVAL;
@@ -1730,7 +1730,7 @@ static int ionic_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
                        ionic->vfs[vf].vlanid = vlan;
        }
 
-       up_read(&ionic->vf_op_lock);
+       up_write(&ionic->vf_op_lock);
        return ret;
 }