Merge of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/davem/net-…

…2.6.git/

drivers/net/ppp_deflate.c

@@ -87,8 +87,7 @@ static void z_comp_free(void *arg)
 
 	if (state) {
 		zlib_deflateEnd(&state->strm);
-		if (state->strm.workspace)
-			vfree(state->strm.workspace);
+		vfree(state->strm.workspace);
 		kfree(state);
 	}
 }
@@ -308,8 +307,7 @@ static void z_decomp_free(void *arg)
 
 	if (state) {
 		zlib_inflateEnd(&state->strm);
-		if (state->strm.workspace)
-			kfree(state->strm.workspace);
+		kfree(state->strm.workspace);
 		kfree(state);
 	}
 }

drivers/net/ppp_generic.c

@@ -2467,14 +2467,10 @@ static void ppp_destroy_interface(struct ppp *ppp)
 	skb_queue_purge(&ppp->mrq);
 #endif /* CONFIG_PPP_MULTILINK */
 #ifdef CONFIG_PPP_FILTER
-	if (ppp->pass_filter) {
-		kfree(ppp->pass_filter);
-		ppp->pass_filter = NULL;
-	}
-	if (ppp->active_filter) {
-		kfree(ppp->active_filter);
-		ppp->active_filter = NULL;
-	}
+	kfree(ppp->pass_filter);
+	ppp->pass_filter = NULL;
+	kfree(ppp->active_filter);
+	ppp->active_filter = NULL;
 #endif /* CONFIG_PPP_FILTER */
 
 	kfree(ppp);

drivers/net/wan/cycx_x25.c

@@ -436,9 +436,7 @@ static int cycx_wan_new_if(struct wan_device *wandev, struct net_device *dev,
 	}
 
 	if (err) {
-		if (chan->local_addr)
-			kfree(chan->local_addr);
-
+		kfree(chan->local_addr);
 		kfree(chan);
 		return err;
 	}
@@ -458,9 +456,7 @@ static int cycx_wan_del_if(struct wan_device *wandev, struct net_device *dev)
 		struct cycx_x25_channel *chan = dev->priv;
 
 		if (chan->svc) {
-			if (chan->local_addr)
-				kfree(chan->local_addr);
-
+			kfree(chan->local_addr);
 			if (chan->state == WAN_CONNECTED)
 				del_timer(&chan->timer);
 		}

drivers/net/wan/pc300_tty.c

@@ -400,10 +400,8 @@ static void cpc_tty_close(struct tty_struct *tty, struct file *flip)
 		cpc_tty->buf_rx.last = NULL;
 	}
 
-	if (cpc_tty->buf_tx) {
-		kfree(cpc_tty->buf_tx);
-		cpc_tty->buf_tx = NULL;
-	}
+	kfree(cpc_tty->buf_tx);
+	cpc_tty->buf_tx = NULL;
 
 	CPC_TTY_DBG("%s: TTY closed\n",cpc_tty->name);
 
@@ -666,7 +664,7 @@ static void cpc_tty_rx_work(void * data)
 	unsigned long port;
 	int i, j;
 	st_cpc_tty_area *cpc_tty; 
-	volatile st_cpc_rx_buf * buf;
+	volatile st_cpc_rx_buf *buf;
 	char flags=0,flg_rx=1; 
 	struct tty_ldisc *ld;
 
@@ -680,9 +678,9 @@ static void cpc_tty_rx_work(void * data)
 			cpc_tty = &cpc_tty_area[port];
 
 			if ((buf=cpc_tty->buf_rx.first) != 0) {
-				if(cpc_tty->tty) {
+				if (cpc_tty->tty) {
 					ld = tty_ldisc_ref(cpc_tty->tty);
-					if(ld) {
+					if (ld) {
 						if (ld->receive_buf) {
 							CPC_TTY_DBG("%s: call line disc. receive_buf\n",cpc_tty->name);
 							ld->receive_buf(cpc_tty->tty, (char *)(buf->data), &flags, buf->size);
@@ -691,7 +689,7 @@ static void cpc_tty_rx_work(void * data)
 					}
 				}	
 				cpc_tty->buf_rx.first = cpc_tty->buf_rx.first->next;
-				kfree((unsigned char *)buf);
+				kfree(buf);
 				buf = cpc_tty->buf_rx.first;
 				flg_rx = 1;
 			}
@@ -733,7 +731,7 @@ static void cpc_tty_rx_disc_frame(pc300ch_t *pc300chan)
 
 void cpc_tty_receive(pc300dev_t *pc300dev)
 {
-	st_cpc_tty_area    *cpc_tty; 
+	st_cpc_tty_area *cpc_tty; 
 	pc300ch_t *pc300chan = (pc300ch_t *)pc300dev->chan; 
 	pc300_t *card = (pc300_t *)pc300chan->card; 
 	int ch = pc300chan->channel; 
@@ -742,7 +740,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev)
 	int rx_len, rx_aux; 
 	volatile unsigned char status; 
 	unsigned short first_bd = pc300chan->rx_first_bd;
-	st_cpc_rx_buf	*new=NULL;
+	st_cpc_rx_buf *new = NULL;
 	unsigned char dsr_rx;
 
 	if (pc300dev->cpc_tty == NULL) { 
@@ -762,7 +760,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev)
 			if (status & DST_EOM) {
 				break;
 			}
-			ptdescr=(pcsca_bd_t __iomem *)(card->hw.rambase+cpc_readl(&ptdescr->next));
+			ptdescr = (pcsca_bd_t __iomem *)(card->hw.rambase+cpc_readl(&ptdescr->next));
 		}
 
 		if (!rx_len) { 
@@ -771,10 +769,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev)
 				cpc_writel(card->hw.scabase + DRX_REG(EDAL, ch), 
 						RX_BD_ADDR(ch, pc300chan->rx_last_bd)); 
 			}
-			if (new) {
-				kfree(new);
-				new = NULL;
-			}
+			kfree(new);
 			return; 
 		}
 
@@ -787,7 +782,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev)
 			continue;
 		} 
 
-		new = (st_cpc_rx_buf *) kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC);
+		new = (st_cpc_rx_buf *)kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC);
 		if (new == 0) {
 			cpc_tty_rx_disc_frame(pc300chan);
 			continue;

drivers/net/wan/sdla_chdlc.c

@@ -3664,15 +3664,10 @@ static void wanpipe_tty_close(struct tty_struct *tty, struct file * filp)
 		chdlc_disable_comm_shutdown(card);
 		unlock_adapter_irq(&card->wandev.lock,&smp_flags);
 
-		if (card->tty_buf){
-			kfree(card->tty_buf);
-			card->tty_buf=NULL;			
-		}
-
-		if (card->tty_rx){
-			kfree(card->tty_rx);
-			card->tty_rx=NULL;
-		}
+		kfree(card->tty_buf);
+		card->tty_buf = NULL;			
+		kfree(card->tty_rx);
+		card->tty_rx = NULL;
 	}
 	return;
 }

drivers/net/wan/x25_asy.c

@@ -107,13 +107,9 @@ static struct x25_asy *x25_asy_alloc(void)
 static void x25_asy_free(struct x25_asy *sl)
 {
 	/* Free all X.25 frame buffers. */
-	if (sl->rbuff)  {
-		kfree(sl->rbuff);
-	}
+	kfree(sl->rbuff);
 	sl->rbuff = NULL;
-	if (sl->xbuff)  {
-		kfree(sl->xbuff);
-	}
+	kfree(sl->xbuff);
 	sl->xbuff = NULL;
 
 	if (!test_and_clear_bit(SLF_INUSE, &sl->flags)) {
@@ -134,10 +130,8 @@ static int x25_asy_change_mtu(struct net_device *dev, int newmtu)
 	{
 		printk("%s: unable to grow X.25 buffers, MTU change cancelled.\n",
 		       dev->name);
-		if (xbuff != NULL)  
-			kfree(xbuff);
-		if (rbuff != NULL)  
-			kfree(rbuff);
+		kfree(xbuff);
+		kfree(rbuff);
 		return -ENOMEM;
 	}
 
@@ -169,10 +163,8 @@ static int x25_asy_change_mtu(struct net_device *dev, int newmtu)
 
 	spin_unlock_bh(&sl->lock);
 
-	if (xbuff != NULL) 
-		kfree(xbuff);
-	if (rbuff != NULL)
-		kfree(rbuff);
+	kfree(xbuff);
+	kfree(rbuff);
 	return 0;
 }
 

include/linux/rtnetlink.h

@@ -89,10 +89,14 @@ enum {
 	RTM_GETANYCAST	= 62,
 #define RTM_GETANYCAST	RTM_GETANYCAST
 
-	RTM_MAX,
-#define RTM_MAX		RTM_MAX
+	__RTM_MAX,
+#define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
 };
 
+#define RTM_NR_MSGTYPES	(RTM_MAX + 1 - RTM_BASE)
+#define RTM_NR_FAMILIES	(RTM_NR_MSGTYPES >> 2)
+#define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)
+
 /* 
    Generic structure for encapsulation of optional route information.
    It is reminiscent of sockaddr, but with sa_family replaced

include/linux/xfrm.h

@@ -140,8 +140,11 @@ enum {
 	XFRM_MSG_FLUSHPOLICY,
 #define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
 
-	XFRM_MSG_MAX
+	__XFRM_MSG_MAX
 };
+#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
+
+#define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)
 
 struct xfrm_user_tmpl {
 	struct xfrm_id		id;

include/net/addrconf.h

@@ -46,6 +46,7 @@ struct prefix_info {
 #include <linux/in6.h>
 #include <linux/netdevice.h>
 #include <net/if_inet6.h>
+#include <net/ipv6.h>
 
 #define IN6_ADDR_HSIZE		16
 

include/net/pkt_sched.h

@@ -157,7 +157,8 @@ psched_tod_diff(int delta_sec, int bound)
 	   case 1: \
 		   __delta += 1000000; \
 	   case 0: \
-		   __delta = abs(__delta); \
+ 		   if (__delta > bound || __delta < 0) \
+ 			__delta = bound; \
 	   } \
 	   __delta; \
 })

include/net/xfrm.h

@@ -1,6 +1,7 @@
 #ifndef _NET_XFRM_H
 #define _NET_XFRM_H
 
+#include <linux/compiler.h>
 #include <linux/xfrm.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
@@ -516,6 +517,15 @@ struct xfrm_dst
 	u32 child_mtu_cached;
 };
 
+static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
+{
+	dst_release(xdst->route);
+	if (likely(xdst->u.dst.xfrm))
+		xfrm_state_put(xdst->u.dst.xfrm);
+}
+
+extern void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);
+
 /* Decapsulation state, used by the input to store data during
  * decapsulation procedure, to be used later (during the policy
  * check

kernel/audit.c

@@ -427,7 +427,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 /* Get message from skb (based on rtnetlink_rcv_skb).  Each message is
  * processed by audit_receive_msg.  Malformed skbs with wrong length are
  * discarded silently.  */
-static int audit_receive_skb(struct sk_buff *skb)
+static void audit_receive_skb(struct sk_buff *skb)
 {
 	int		err;
 	struct nlmsghdr	*nlh;
@@ -436,7 +436,7 @@ static int audit_receive_skb(struct sk_buff *skb)
 	while (skb->len >= NLMSG_SPACE(0)) {
 		nlh = (struct nlmsghdr *)skb->data;
 		if (nlh->nlmsg_len < sizeof(*nlh) || skb->len < nlh->nlmsg_len)
-			return 0;
+			return;
 		rlen = NLMSG_ALIGN(nlh->nlmsg_len);
 		if (rlen > skb->len)
 			rlen = skb->len;
@@ -446,23 +446,20 @@ static int audit_receive_skb(struct sk_buff *skb)
 			netlink_ack(skb, nlh, 0);
 		skb_pull(skb, rlen);
 	}
-	return 0;
 }
 
 /* Receive messages from netlink socket. */
 static void audit_receive(struct sock *sk, int length)
 {
 	struct sk_buff  *skb;
+	unsigned int qlen;
 
-	if (down_trylock(&audit_netlink_sem))
-		return;
+	down(&audit_netlink_sem);
 
-				/* FIXME: this must not cause starvation */
-	while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
-		if (audit_receive_skb(skb) && skb->len)
-			skb_queue_head(&sk->sk_receive_queue, skb);
-		else
-			kfree_skb(skb);
+	for (qlen = skb_queue_len(&sk->sk_receive_queue); qlen; qlen--) {
+		skb = skb_dequeue(&sk->sk_receive_queue);
+		audit_receive_skb(skb);
+		kfree_skb(skb);
 	}
 	up(&audit_netlink_sem);
 }

net/core/link_watch.c

@@ -16,6 +16,7 @@
 #include <linux/netdevice.h>
 #include <linux/if.h>
 #include <net/sock.h>
+#include <net/pkt_sched.h>
 #include <linux/rtnetlink.h>
 #include <linux/jiffies.h>
 #include <linux/spinlock.h>
@@ -74,6 +75,12 @@ void linkwatch_run_queue(void)
 		clear_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state);
 
 		if (dev->flags & IFF_UP) {
+			if (netif_carrier_ok(dev)) {
+				WARN_ON(dev->qdisc_sleeping == &noop_qdisc);
+				dev_activate(dev);
+			} else
+				dev_deactivate(dev);
+
 			netdev_state_change(dev);
 		}
 

net/core/netfilter.c

@@ -217,21 +217,10 @@ void nf_debug_ip_local_deliver(struct sk_buff *skb)
 	 * NF_IP_RAW_INPUT and NF_IP_PRE_ROUTING.  */
 	if (!skb->dev) {
 		printk("ip_local_deliver: skb->dev is NULL.\n");
-	}
-	else if (strcmp(skb->dev->name, "lo") == 0) {
-		if (skb->nf_debug != ((1 << NF_IP_LOCAL_OUT)
-				      | (1 << NF_IP_POST_ROUTING)
-				      | (1 << NF_IP_PRE_ROUTING)
-				      | (1 << NF_IP_LOCAL_IN))) {
-			printk("ip_local_deliver: bad loopback skb: ");
-			debug_print_hooks_ip(skb->nf_debug);
-			nf_dump_skb(PF_INET, skb);
-		}
-	}
-	else {
+	} else {
 		if (skb->nf_debug != ((1<<NF_IP_PRE_ROUTING)
 				      | (1<<NF_IP_LOCAL_IN))) {
-			printk("ip_local_deliver: bad non-lo skb: ");
+			printk("ip_local_deliver: bad skb: ");
 			debug_print_hooks_ip(skb->nf_debug);
 			nf_dump_skb(PF_INET, skb);
 		}
@@ -247,8 +236,6 @@ void nf_debug_ip_loopback_xmit(struct sk_buff *newskb)
 		debug_print_hooks_ip(newskb->nf_debug);
 		nf_dump_skb(PF_INET, newskb);
 	}
-	/* Clear to avoid confusing input check */
-	newskb->nf_debug = 0;
 }
 
 void nf_debug_ip_finish_output2(struct sk_buff *skb)