On Fri, Dec 11, 2015 at 12:16:53PM -0600, Christoph Lameter wrote:
> Code cleanup to remove multicast specific code from ipoib_main.c
> 
> The removal of a list of multicast groups occurs in three places.
> Create a new function ipoib_mcast_remove_list(). Use this new
> function in ipoib_main.c too.
> That in turn allows the dropping of two functions that were
> exported from ipoib_multicast.c for expiration of mc groups.
> 
> Signed-off-by: Christoph Lameter <[email protected]>

Reviewed-by: Ira Weiny <[email protected]>

> ---
>  drivers/infiniband/ulp/ipoib/ipoib.h           |  3 +--
>  drivers/infiniband/ulp/ipoib/ipoib_main.c      |  7 ++-----
>  drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 24 ++++++++++++++----------
>  3 files changed, 17 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h 
> b/drivers/infiniband/ulp/ipoib/ipoib.h
> index 3ede103..989c409 100644
> --- a/drivers/infiniband/ulp/ipoib/ipoib.h
> +++ b/drivers/infiniband/ulp/ipoib/ipoib.h
> @@ -495,7 +495,6 @@ void ipoib_dev_cleanup(struct net_device *dev);
>  void ipoib_mcast_join_task(struct work_struct *work);
>  void ipoib_mcast_carrier_on_task(struct work_struct *work);
>  void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff 
> *skb);
> -void ipoib_mcast_free(struct ipoib_mcast *mc);
>  
>  void ipoib_mcast_restart_task(struct work_struct *work);
>  int ipoib_mcast_start_thread(struct net_device *dev);
> @@ -549,7 +548,7 @@ void ipoib_path_iter_read(struct ipoib_path_iter *iter,
>  
>  int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
>                      union ib_gid *mgid, int set_qkey);
> -int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast);
> +void ipoib_mcast_remove_list(struct net_device *dev, struct list_head 
> *remove_list);
>  struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid);
>  
>  int ipoib_init_qp(struct net_device *dev);
> diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c 
> b/drivers/infiniband/ulp/ipoib/ipoib_main.c
> index 7d32818..483ff20 100644
> --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
> +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
> @@ -1150,7 +1150,7 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv 
> *priv)
>       unsigned long flags;
>       int i;
>       LIST_HEAD(remove_list);
> -     struct ipoib_mcast *mcast, *tmcast;
> +     struct ipoib_mcast *mcast;
>       struct net_device *dev = priv->dev;
>  
>       if (test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags))
> @@ -1207,10 +1207,7 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv 
> *priv)
>  
>  out_unlock:
>       spin_unlock_irqrestore(&priv->lock, flags);
> -     list_for_each_entry_safe(mcast, tmcast, &remove_list, list) {
> -             ipoib_mcast_leave(dev, mcast);
> -             ipoib_mcast_free(mcast);
> -     }
> +     ipoib_mcast_remove_list(dev, &remove_list);
>  }
>  
>  static void ipoib_reap_neigh(struct work_struct *work)
> diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c 
> b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
> index f357ca6..8acb420a 100644
> --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
> +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
> @@ -106,7 +106,7 @@ static void __ipoib_mcast_schedule_join_thread(struct 
> ipoib_dev_priv *priv,
>               queue_delayed_work(priv->wq, &priv->mcast_task, 0);
>  }
>  
> -void ipoib_mcast_free(struct ipoib_mcast *mcast)
> +static void ipoib_mcast_free(struct ipoib_mcast *mcast)
>  {
>       struct net_device *dev = mcast->dev;
>       int tx_dropped = 0;
> @@ -677,7 +677,7 @@ int ipoib_mcast_stop_thread(struct net_device *dev)
>       return 0;
>  }
>  
> -int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast)
> +static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast 
> *mcast)
>  {
>       struct ipoib_dev_priv *priv = netdev_priv(dev);
>       int ret = 0;
> @@ -704,6 +704,16 @@ int ipoib_mcast_leave(struct net_device *dev, struct 
> ipoib_mcast *mcast)
>       return 0;
>  }
>  
> +void ipoib_mcast_remove_list(struct net_device *dev, struct list_head 
> *remove_list)
> +{
> +     struct ipoib_mcast *mcast, *tmcast;
> +
> +     list_for_each_entry_safe(mcast, tmcast, remove_list, list) {
> +             ipoib_mcast_leave(dev, mcast);
> +             ipoib_mcast_free(mcast);
> +     }
> +}
> +
>  void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb)
>  {
>       struct ipoib_dev_priv *priv = netdev_priv(dev);
> @@ -810,10 +820,7 @@ void ipoib_mcast_dev_flush(struct net_device *dev)
>               if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
>                       wait_for_completion(&mcast->done);
>  
> -     list_for_each_entry_safe(mcast, tmcast, &remove_list, list) {
> -             ipoib_mcast_leave(dev, mcast);
> -             ipoib_mcast_free(mcast);
> -     }
> +     ipoib_mcast_remove_list(dev, &remove_list);
>  }
>  
>  static int ipoib_mcast_addr_is_valid(const u8 *addr, const u8 *broadcast)
> @@ -939,10 +946,7 @@ void ipoib_mcast_restart_task(struct work_struct *work)
>               if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
>                       wait_for_completion(&mcast->done);
>  
> -     list_for_each_entry_safe(mcast, tmcast, &remove_list, list) {
> -             ipoib_mcast_leave(mcast->dev, mcast);
> -             ipoib_mcast_free(mcast);
> -     }
> +     ipoib_mcast_remove_list(mcast->dev, &remove_list);
>  
>       /*
>        * Double check that we are still up
> -- 
> 2.5.0
> 
> 
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