ionic: fix vf op lock usage

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

Fixes: fbb39807 ("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>

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;
 }