diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_fcoe.c | 6 | ||||
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_fcoe.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c index 2f1de8b90f9..05efa6a8ce8 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ixgbe/ixgbe_fcoe.c @@ -604,11 +604,13 @@ int ixgbe_fcoe_enable(struct net_device *netdev) { int rc = -EINVAL; struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct ixgbe_fcoe *fcoe = &adapter->fcoe; if (!(adapter->flags & IXGBE_FLAG_FCOE_CAPABLE)) goto out_enable; + atomic_inc(&fcoe->refcnt); if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) goto out_enable; @@ -648,6 +650,7 @@ int ixgbe_fcoe_disable(struct net_device *netdev) { int rc = -EINVAL; struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct ixgbe_fcoe *fcoe = &adapter->fcoe; if (!(adapter->flags & IXGBE_FLAG_FCOE_CAPABLE)) goto out_disable; @@ -655,6 +658,9 @@ int ixgbe_fcoe_disable(struct net_device *netdev) if (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) goto out_disable; + if (!atomic_dec_and_test(&fcoe->refcnt)) + goto out_disable; + e_info(drv, "Disabling FCoE offload features.\n"); netdev->features &= ~NETIF_F_FCOE_CRC; netdev->features &= ~NETIF_F_FSO; diff --git a/drivers/net/ixgbe/ixgbe_fcoe.h b/drivers/net/ixgbe/ixgbe_fcoe.h index abf4b2b3f25..4bc2c551c8d 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.h +++ b/drivers/net/ixgbe/ixgbe_fcoe.h @@ -66,6 +66,7 @@ struct ixgbe_fcoe { u8 tc; u8 up; #endif + atomic_t refcnt; spinlock_t lock; struct pci_pool *pool; struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX]; |