IPoIB: Trivial formatting cleanups

Fix whitespace blunders, convert "foo* bar" to "foo *bar", etc.
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/ulp/ipoib/ipoib.h

@@ -56,42 +56,42 @@
 /* constants */
 
 enum {
-	IPOIB_PACKET_SIZE         = 2048,
-	IPOIB_BUF_SIZE 		  = IPOIB_PACKET_SIZE + IB_GRH_BYTES,
+	IPOIB_PACKET_SIZE	  = 2048,
+	IPOIB_BUF_SIZE		  = IPOIB_PACKET_SIZE + IB_GRH_BYTES,
 
-	IPOIB_ENCAP_LEN 	  = 4,
+	IPOIB_ENCAP_LEN		  = 4,
 
-	IPOIB_CM_MTU              = 0x10000 - 0x10, /* padding to align header to 16 */
-	IPOIB_CM_BUF_SIZE         = IPOIB_CM_MTU  + IPOIB_ENCAP_LEN,
-	IPOIB_CM_HEAD_SIZE 	  = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
-	IPOIB_CM_RX_SG            = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
-	IPOIB_RX_RING_SIZE 	  = 128,
-	IPOIB_TX_RING_SIZE 	  = 64,
+	IPOIB_CM_MTU		  = 0x10000 - 0x10, /* padding to align header to 16 */
+	IPOIB_CM_BUF_SIZE	  = IPOIB_CM_MTU  + IPOIB_ENCAP_LEN,
+	IPOIB_CM_HEAD_SIZE	  = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
+	IPOIB_CM_RX_SG		  = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
+	IPOIB_RX_RING_SIZE	  = 128,
+	IPOIB_TX_RING_SIZE	  = 64,
 	IPOIB_MAX_QUEUE_SIZE	  = 8192,
 	IPOIB_MIN_QUEUE_SIZE	  = 2,
 
-	IPOIB_NUM_WC 		  = 4,
+	IPOIB_NUM_WC		  = 4,
 
 	IPOIB_MAX_PATH_REC_QUEUE  = 3,
-	IPOIB_MAX_MCAST_QUEUE     = 3,
-
-	IPOIB_FLAG_OPER_UP 	  = 0,
-	IPOIB_FLAG_INITIALIZED    = 1,
-	IPOIB_FLAG_ADMIN_UP 	  = 2,
-	IPOIB_PKEY_ASSIGNED 	  = 3,
-	IPOIB_PKEY_STOP 	  = 4,
-	IPOIB_FLAG_SUBINTERFACE   = 5,
-	IPOIB_MCAST_RUN 	  = 6,
-	IPOIB_STOP_REAPER         = 7,
-	IPOIB_MCAST_STARTED       = 8,
-	IPOIB_FLAG_ADMIN_CM 	  = 9,
+	IPOIB_MAX_MCAST_QUEUE	  = 3,
+
+	IPOIB_FLAG_OPER_UP	  = 0,
+	IPOIB_FLAG_INITIALIZED	  = 1,
+	IPOIB_FLAG_ADMIN_UP	  = 2,
+	IPOIB_PKEY_ASSIGNED	  = 3,
+	IPOIB_PKEY_STOP		  = 4,
+	IPOIB_FLAG_SUBINTERFACE	  = 5,
+	IPOIB_MCAST_RUN		  = 6,
+	IPOIB_STOP_REAPER	  = 7,
+	IPOIB_MCAST_STARTED	  = 8,
+	IPOIB_FLAG_ADMIN_CM	  = 9,
 	IPOIB_FLAG_UMCAST	  = 10,
 
 	IPOIB_MAX_BACKOFF_SECONDS = 16,
 
-	IPOIB_MCAST_FLAG_FOUND 	  = 0,	/* used in set_multicast_list */
+	IPOIB_MCAST_FLAG_FOUND	  = 0,	/* used in set_multicast_list */
 	IPOIB_MCAST_FLAG_SENDONLY = 1,
-	IPOIB_MCAST_FLAG_BUSY 	  = 2,	/* joining or already joined */
+	IPOIB_MCAST_FLAG_BUSY	  = 2,	/* joining or already joined */
 	IPOIB_MCAST_FLAG_ATTACHED = 3,
 };
 
@@ -117,7 +117,7 @@ struct ipoib_pseudoheader {
 struct ipoib_mcast {
 	struct ib_sa_mcmember_rec mcmember;
 	struct ib_sa_multicast	 *mc;
-	struct ipoib_ah          *ah;
+	struct ipoib_ah		 *ah;
 
 	struct rb_node    rb_node;
 	struct list_head  list;
@@ -186,27 +186,27 @@ enum ipoib_cm_state {
 };
 
 struct ipoib_cm_rx {
-	struct ib_cm_id     *id;
-	struct ib_qp        *qp;
-	struct list_head     list;
-	struct net_device   *dev;
-	unsigned long        jiffies;
-	enum ipoib_cm_state  state;
+	struct ib_cm_id	       *id;
+	struct ib_qp	       *qp;
+	struct list_head	list;
+	struct net_device      *dev;
+	unsigned long		jiffies;
+	enum ipoib_cm_state	state;
 };
 
 struct ipoib_cm_tx {
-	struct ib_cm_id     *id;
-	struct ib_qp        *qp;
+	struct ib_cm_id	    *id;
+	struct ib_qp	    *qp;
 	struct list_head     list;
 	struct net_device   *dev;
 	struct ipoib_neigh  *neigh;
 	struct ipoib_path   *path;
 	struct ipoib_tx_buf *tx_ring;
-	unsigned             tx_head;
-	unsigned             tx_tail;
-	unsigned long        flags;
-	u32                  mtu;
-	struct ib_wc         ibwc[IPOIB_NUM_WC];
+	unsigned	     tx_head;
+	unsigned	     tx_tail;
+	unsigned long	     flags;
+	u32		     mtu;
+	struct ib_wc	     ibwc[IPOIB_NUM_WC];
 };
 
 struct ipoib_cm_rx_buf {
@@ -215,24 +215,24 @@ struct ipoib_cm_rx_buf {
 };
 
 struct ipoib_cm_dev_priv {
-	struct ib_srq  	       *srq;
+	struct ib_srq	       *srq;
 	struct ipoib_cm_rx_buf *srq_ring;
-	struct ib_cm_id        *id;
-	struct list_head        passive_ids;   /* state: LIVE */
-	struct list_head        rx_error_list; /* state: ERROR */
-	struct list_head        rx_flush_list; /* state: FLUSH, drain not started */
-	struct list_head        rx_drain_list; /* state: FLUSH, drain started */
-	struct list_head        rx_reap_list;  /* state: FLUSH, drain done */
+	struct ib_cm_id	       *id;
+	struct list_head	passive_ids;   /* state: LIVE */
+	struct list_head	rx_error_list; /* state: ERROR */
+	struct list_head	rx_flush_list; /* state: FLUSH, drain not started */
+	struct list_head	rx_drain_list; /* state: FLUSH, drain started */
+	struct list_head	rx_reap_list;  /* state: FLUSH, drain done */
 	struct work_struct      start_task;
 	struct work_struct      reap_task;
 	struct work_struct      skb_task;
 	struct work_struct      rx_reap_task;
 	struct delayed_work     stale_task;
 	struct sk_buff_head     skb_queue;
-	struct list_head        start_list;
-	struct list_head        reap_list;
-	struct ib_wc            ibwc[IPOIB_NUM_WC];
-	struct ib_sge           rx_sge[IPOIB_CM_RX_SG];
+	struct list_head	start_list;
+	struct list_head	reap_list;
+	struct ib_wc		ibwc[IPOIB_NUM_WC];
+	struct ib_sge		rx_sge[IPOIB_CM_RX_SG];
 	struct ib_recv_wr       rx_wr;
 };
 
@@ -269,30 +269,30 @@ struct ipoib_dev_priv {
 	struct work_struct pkey_event_task;
 
 	struct ib_device *ca;
-	u8            	  port;
-	u16           	  pkey;
-	u16               pkey_index;
-	struct ib_pd  	 *pd;
-	struct ib_mr  	 *mr;
-	struct ib_cq  	 *cq;
-	struct ib_qp  	 *qp;
-	u32           	  qkey;
+	u8		  port;
+	u16		  pkey;
+	u16		  pkey_index;
+	struct ib_pd	 *pd;
+	struct ib_mr	 *mr;
+	struct ib_cq	 *cq;
+	struct ib_qp	 *qp;
+	u32		  qkey;
 
 	union ib_gid local_gid;
-	u16          local_lid;
+	u16	     local_lid;
 
 	unsigned int admin_mtu;
 	unsigned int mcast_mtu;
 
 	struct ipoib_rx_buf *rx_ring;
 
-	spinlock_t           tx_lock;
+	spinlock_t	     tx_lock;
 	struct ipoib_tx_buf *tx_ring;
-	unsigned             tx_head;
-	unsigned             tx_tail;
-	struct ib_sge        tx_sge;
+	unsigned	     tx_head;
+	unsigned	     tx_tail;
+	struct ib_sge	     tx_sge;
 	struct ib_send_wr    tx_wr;
-	unsigned             tx_outstanding;
+	unsigned	     tx_outstanding;
 
 	struct ib_wc ibwc[IPOIB_NUM_WC];
 
@@ -317,10 +317,10 @@ struct ipoib_dev_priv {
 
 struct ipoib_ah {
 	struct net_device *dev;
-	struct ib_ah      *ah;
+	struct ib_ah	  *ah;
 	struct list_head   list;
-	struct kref        ref;
-	unsigned           last_send;
+	struct kref	   ref;
+	unsigned	   last_send;
 };
 
 struct ipoib_path {
@@ -331,11 +331,11 @@ struct ipoib_path {
 
 	struct list_head      neigh_list;
 
-	int                   query_id;
+	int		      query_id;
 	struct ib_sa_query   *query;
 	struct completion     done;
 
-	struct rb_node        rb_node;
+	struct rb_node	      rb_node;
 	struct list_head      list;
 };
 
@@ -344,7 +344,7 @@ struct ipoib_neigh {
 #ifdef CONFIG_INFINIBAND_IPOIB_CM
 	struct ipoib_cm_tx *cm;
 #endif
-	union ib_gid        dgid;
+	union ib_gid	    dgid;
 	struct sk_buff_head queue;
 
 	struct neighbour   *neighbour;
@@ -455,8 +455,8 @@ void ipoib_drain_cq(struct net_device *dev);
 
 #ifdef CONFIG_INFINIBAND_IPOIB_CM
 
-#define IPOIB_FLAGS_RC          0x80
-#define IPOIB_FLAGS_UC          0x40
+#define IPOIB_FLAGS_RC		0x80
+#define IPOIB_FLAGS_UC		0x40
 
 /* We don't support UC connections at the moment */
 #define IPOIB_CM_SUPPORTED(ha)   (ha[0] & (IPOIB_FLAGS_RC))
@@ -500,7 +500,7 @@ void ipoib_cm_dev_cleanup(struct net_device *dev);
 struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path *path,
 				    struct ipoib_neigh *neigh);
 void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx);
-void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb,
+void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
 			   unsigned int mtu);
 void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc);
 void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc);
@@ -582,7 +582,7 @@ int ipoib_cm_add_mode_attr(struct net_device *dev)
 	return 0;
 }
 
-static inline void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb,
+static inline void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
 					 unsigned int mtu)
 {
 	dev_kfree_skb_any(skb);
@@ -624,12 +624,12 @@ extern struct ib_sa_client ipoib_sa_client;
 extern int ipoib_debug_level;
 
 #define ipoib_dbg(priv, format, arg...)			\
-	do {					        \
+	do {						\
 		if (ipoib_debug_level > 0)			\
 			ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
 	} while (0)
 #define ipoib_dbg_mcast(priv, format, arg...)		\
-	do {					        \
+	do {						\
 		if (mcast_debug_level > 0)		\
 			ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
 	} while (0)
@@ -642,7 +642,7 @@ extern int ipoib_debug_level;
 
 #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG_DATA
 #define ipoib_dbg_data(priv, format, arg...)		\
-	do {					        \
+	do {						\
 		if (data_debug_level > 0)		\
 			ipoib_printk(KERN_DEBUG, priv, format , ## arg); \
 	} while (0)

drivers/infiniband/ulp/ipoib/ipoib_cm.c

@@ -155,7 +155,7 @@ static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev, int id, int
 	return NULL;
 }
 
-static void ipoib_cm_start_rx_drain(struct ipoib_dev_priv* priv)
+static void ipoib_cm_start_rx_drain(struct ipoib_dev_priv *priv)
 {
 	struct ib_send_wr *bad_wr;
 	struct ipoib_cm_rx *p;
@@ -495,10 +495,10 @@ static inline int post_send(struct ipoib_dev_priv *priv,
 {
 	struct ib_send_wr *bad_wr;
 
-	priv->tx_sge.addr             = addr;
-	priv->tx_sge.length           = len;
+	priv->tx_sge.addr	= addr;
+	priv->tx_sge.length	= len;
 
-	priv->tx_wr.wr_id 	      = wr_id | IPOIB_OP_CM;
+	priv->tx_wr.wr_id	= wr_id | IPOIB_OP_CM;
 
 	return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr);
 }
@@ -540,7 +540,7 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
 	tx_req->mapping = addr;
 
 	if (unlikely(post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
-			        addr, skb->len))) {
+			       addr, skb->len))) {
 		ipoib_warn(priv, "post_send failed\n");
 		++dev->stats.tx_errors;
 		ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE);
@@ -799,7 +799,7 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_
 		.sq_sig_type		= IB_SIGNAL_ALL_WR,
 		.qp_type		= IB_QPT_RC,
 		.qp_context		= tx
-        };
+	};
 
 	return ib_create_qp(priv->pd, &attr);
 }
@@ -816,28 +816,28 @@ static int ipoib_cm_send_req(struct net_device *dev,
 	data.qpn = cpu_to_be32(priv->qp->qp_num);
 	data.mtu = cpu_to_be32(IPOIB_CM_BUF_SIZE);
 
-	req.primary_path 	      = pathrec;
-	req.alternate_path 	      = NULL;
-	req.service_id                = cpu_to_be64(IPOIB_CM_IETF_ID | qpn);
-	req.qp_num 		      = qp->qp_num;
-	req.qp_type 		      = qp->qp_type;
-	req.private_data 	      = &data;
-	req.private_data_len 	      = sizeof data;
-	req.flow_control 	      = 0;
+	req.primary_path		= pathrec;
+	req.alternate_path		= NULL;
+	req.service_id			= cpu_to_be64(IPOIB_CM_IETF_ID | qpn);
+	req.qp_num			= qp->qp_num;
+	req.qp_type			= qp->qp_type;
+	req.private_data		= &data;
+	req.private_data_len		= sizeof data;
+	req.flow_control		= 0;
 
-	req.starting_psn              = 0; /* FIXME */
+	req.starting_psn		= 0; /* FIXME */
 
 	/*
 	 * Pick some arbitrary defaults here; we could make these
 	 * module parameters if anyone cared about setting them.
 	 */
-	req.responder_resources	      = 4;
-	req.remote_cm_response_timeout = 20;
-	req.local_cm_response_timeout  = 20;
-	req.retry_count 	      = 0; /* RFC draft warns against retries */
-	req.rnr_retry_count 	      = 0; /* RFC draft warns against retries */
-	req.max_cm_retries 	      = 15;
-	req.srq 	              = 1;
+	req.responder_resources		= 4;
+	req.remote_cm_response_timeout	= 20;
+	req.local_cm_response_timeout	= 20;
+	req.retry_count			= 0; /* RFC draft warns against retries */
+	req.rnr_retry_count		= 0; /* RFC draft warns against retries */
+	req.max_cm_retries		= 15;
+	req.srq				= 1;
 	return ib_send_cm_req(id, &req);
 }
 
@@ -1150,7 +1150,7 @@ static void ipoib_cm_skb_reap(struct work_struct *work)
 	spin_unlock_irq(&priv->tx_lock);
 }
 
-void ipoib_cm_skb_too_long(struct net_device* dev, struct sk_buff *skb,
+void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
 			   unsigned int mtu)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -1212,7 +1212,7 @@ static void ipoib_cm_stale_task(struct work_struct *work)
 }
 
 
-static ssize_t show_mode(struct device *d, struct device_attribute *attr, 
+static ssize_t show_mode(struct device *d, struct device_attribute *attr,
 			 char *buf)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(to_net_dev(d));

drivers/infiniband/ulp/ipoib/ipoib_ib.c

@@ -345,12 +345,12 @@ static inline int post_send(struct ipoib_dev_priv *priv,
 {
 	struct ib_send_wr *bad_wr;
 
-	priv->tx_sge.addr             = addr;
-	priv->tx_sge.length           = len;
+	priv->tx_sge.addr	      = addr;
+	priv->tx_sge.length	      = len;
 
-	priv->tx_wr.wr_id 	      = wr_id;
+	priv->tx_wr.wr_id	      = wr_id;
 	priv->tx_wr.wr.ud.remote_qpn  = qpn;
-	priv->tx_wr.wr.ud.ah 	      = address;
+	priv->tx_wr.wr.ud.ah	      = address;
 
 	return ib_post_send(priv->qp, &priv->tx_wr, &bad_wr);
 }

drivers/infiniband/ulp/ipoib/ipoib_main.c

@@ -474,8 +474,8 @@ static struct ipoib_path *path_rec_create(struct net_device *dev, void *gid)
 	INIT_LIST_HEAD(&path->neigh_list);
 
 	memcpy(path->pathrec.dgid.raw, gid, sizeof (union ib_gid));
-	path->pathrec.sgid          = priv->local_gid;
-	path->pathrec.pkey          = cpu_to_be16(priv->pkey);
+	path->pathrec.sgid	    = priv->local_gid;
+	path->pathrec.pkey	    = cpu_to_be16(priv->pkey);
 	path->pathrec.numb_path     = 1;
 	path->pathrec.traffic_class = priv->broadcast->mcmember.traffic_class;
 
@@ -950,34 +950,34 @@ static void ipoib_setup(struct net_device *dev)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 
-	dev->open 		 = ipoib_open;
-	dev->stop 		 = ipoib_stop;
-	dev->change_mtu 	 = ipoib_change_mtu;
-	dev->hard_start_xmit 	 = ipoib_start_xmit;
-	dev->tx_timeout 	 = ipoib_timeout;
-	dev->header_ops 	 = &ipoib_header_ops;
-	dev->set_multicast_list  = ipoib_set_mcast_list;
-	dev->neigh_setup         = ipoib_neigh_setup_dev;
+	dev->open		 = ipoib_open;
+	dev->stop		 = ipoib_stop;
+	dev->change_mtu		 = ipoib_change_mtu;
+	dev->hard_start_xmit	 = ipoib_start_xmit;
+	dev->tx_timeout		 = ipoib_timeout;
+	dev->header_ops		 = &ipoib_header_ops;
+	dev->set_multicast_list	 = ipoib_set_mcast_list;
+	dev->neigh_setup	 = ipoib_neigh_setup_dev;
 
 	netif_napi_add(dev, &priv->napi, ipoib_poll, 100);
 
-	dev->watchdog_timeo 	 = HZ;
+	dev->watchdog_timeo	 = HZ;
 
-	dev->flags              |= IFF_BROADCAST | IFF_MULTICAST;
+	dev->flags		|= IFF_BROADCAST | IFF_MULTICAST;
 
 	/*
 	 * We add in INFINIBAND_ALEN to allow for the destination
 	 * address "pseudoheader" for skbs without neighbour struct.
 	 */
-	dev->hard_header_len 	 = IPOIB_ENCAP_LEN + INFINIBAND_ALEN;
-	dev->addr_len 		 = INFINIBAND_ALEN;
-	dev->type 		 = ARPHRD_INFINIBAND;
-	dev->tx_queue_len 	 = ipoib_sendq_size * 2;
-	dev->features            = NETIF_F_VLAN_CHALLENGED | NETIF_F_LLTX;
+	dev->hard_header_len	 = IPOIB_ENCAP_LEN + INFINIBAND_ALEN;
+	dev->addr_len		 = INFINIBAND_ALEN;
+	dev->type		 = ARPHRD_INFINIBAND;
+	dev->tx_queue_len	 = ipoib_sendq_size * 2;
+	dev->features		 = NETIF_F_VLAN_CHALLENGED | NETIF_F_LLTX;
 
 	/* MTU will be reset when mcast join happens */
-	dev->mtu 		 = IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN;
-	priv->mcast_mtu 	 = priv->admin_mtu = dev->mtu;
+	dev->mtu		 = IPOIB_PACKET_SIZE - IPOIB_ENCAP_LEN;
+	priv->mcast_mtu		 = priv->admin_mtu = dev->mtu;
 
 	memcpy(dev->broadcast, ipv4_bcast_addr, INFINIBAND_ALEN);
 

drivers/infiniband/ulp/ipoib/ipoib_multicast.c

@@ -702,7 +702,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb)
 
 out:
 	if (mcast && mcast->ah) {
-		if (skb->dst            &&
+		if (skb->dst		&&
 		    skb->dst->neighbour &&
 		    !*to_ipoib_neigh(skb->dst->neighbour)) {
 			struct ipoib_neigh *neigh = ipoib_neigh_alloc(skb->dst->neighbour,
@@ -710,7 +710,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb)
 
 			if (neigh) {
 				kref_get(&mcast->ah->ref);
-				neigh->ah  	= mcast->ah;
+				neigh->ah	= mcast->ah;
 				list_add_tail(&neigh->list, &mcast->neigh_list);
 			}
 		}

drivers/infiniband/ulp/ipoib/ipoib_verbs.c

@@ -197,12 +197,12 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
 	priv->dev->dev_addr[2] = (priv->qp->qp_num >>  8) & 0xff;
 	priv->dev->dev_addr[3] = (priv->qp->qp_num      ) & 0xff;
 
-	priv->tx_sge.lkey 	= priv->mr->lkey;
+	priv->tx_sge.lkey	= priv->mr->lkey;
 
-	priv->tx_wr.opcode 	= IB_WR_SEND;
-	priv->tx_wr.sg_list 	= &priv->tx_sge;
-	priv->tx_wr.num_sge 	= 1;
-	priv->tx_wr.send_flags 	= IB_SEND_SIGNALED;
+	priv->tx_wr.opcode	= IB_WR_SEND;
+	priv->tx_wr.sg_list	= &priv->tx_sge;
+	priv->tx_wr.num_sge	= 1;
+	priv->tx_wr.send_flags	= IB_SEND_SIGNALED;
 
 	return 0;