Merge with /home/shaggy/git/linus-clean/

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>

7 files changed, 75 insertions, 16 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index ff9dc029233a..52a3bf7ae177 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -901,8 +901,7 @@ int dev_close(struct net_device *dev)
 	smp_mb__after_clear_bit(); /* Commit netif_running(). */
 	while (test_bit(__LINK_STATE_RX_SCHED, &dev->state)) {
 		/* No hurry. */
-		current->state = TASK_INTERRUPTIBLE;
-		schedule_timeout(1);
+		msleep(1);
 	}
 
 	/*
diff --git a/net/core/dst.c b/net/core/dst.c
index fc434ade5270..334790da9f16 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -45,6 +45,7 @@ static struct timer_list dst_gc_timer =
 static void dst_run_gc(unsigned long dummy)
 {
 	int    delayed = 0;
+	int    work_performed;
 	struct dst_entry * dst, **dstp;
 
 	if (!spin_trylock(&dst_lock)) {
@@ -52,9 +53,9 @@ static void dst_run_gc(unsigned long dummy)
 		return;
 	}
 
-
 	del_timer(&dst_gc_timer);
 	dstp = &dst_garbage_list;
+	work_performed = 0;
 	while ((dst = *dstp) != NULL) {
 		if (atomic_read(&dst->__refcnt)) {
 			dstp = &dst->next;
@@ -62,6 +63,7 @@ static void dst_run_gc(unsigned long dummy)
 			continue;
 		}
 		*dstp = dst->next;
+		work_performed = 1;
 
 		dst = dst_destroy(dst);
 		if (dst) {
@@ -86,9 +88,14 @@ static void dst_run_gc(unsigned long dummy)
 		dst_gc_timer_inc = DST_GC_MAX;
 		goto out;
 	}
-	if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
-		dst_gc_timer_expires = DST_GC_MAX;
-	dst_gc_timer_inc += DST_GC_INC;
+	if (!work_performed) {
+		if ((dst_gc_timer_expires += dst_gc_timer_inc) > DST_GC_MAX)
+			dst_gc_timer_expires = DST_GC_MAX;
+		dst_gc_timer_inc += DST_GC_INC;
+	} else {
+		dst_gc_timer_inc = DST_GC_INC;
+		dst_gc_timer_expires = DST_GC_MIN;
+	}
 	dst_gc_timer.expires = jiffies + dst_gc_timer_expires;
 #if RT_CACHE_DEBUG >= 2
 	printk("dst_total: %d/%d %ld\n",
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 884835522224..f0d5740d7e22 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -290,7 +290,6 @@ static struct ip_tunnel * ipgre_tunnel_locate(struct ip_tunnel_parm *parms, int
 
 	dev_hold(dev);
 	ipgre_tunnel_link(nt);
-	/* Do not decrement MOD_USE_COUNT here. */
 	return nt;
 
 failed:
@@ -1277,12 +1276,28 @@ err1:
 	goto out;
 }
 
-static void ipgre_fini(void)
+static void __exit ipgre_destroy_tunnels(void)
+{
+	int prio;
+
+	for (prio = 0; prio < 4; prio++) {
+		int h;
+		for (h = 0; h < HASH_SIZE; h++) {
+			struct ip_tunnel *t;
+			while ((t = tunnels[prio][h]) != NULL)
+				unregister_netdevice(t->dev);
+		}
+	}
+}
+
+static void __exit ipgre_fini(void)
 {
 	if (inet_del_protocol(&ipgre_protocol, IPPROTO_GRE) < 0)
 		printk(KERN_INFO "ipgre close: can't remove protocol\n");
 
-	unregister_netdev(ipgre_fb_tunnel_dev);
+	rtnl_lock();
+	ipgre_destroy_tunnels();
+	rtnl_unlock();
 }
 
 module_init(ipgre_init);
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index c3947cd566b7..c05c1df0bb04 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -255,7 +255,6 @@ static struct ip_tunnel * ipip_tunnel_locate(struct ip_tunnel_parm *parms, int c
 
 	dev_hold(dev);
 	ipip_tunnel_link(nt);
-	/* Do not decrement MOD_USE_COUNT here. */
 	return nt;
 
 failed:
@@ -920,12 +919,29 @@ static int __init ipip_init(void)
 	goto out;
 }
 
+static void __exit ipip_destroy_tunnels(void)
+{
+	int prio;
+
+	for (prio = 1; prio < 4; prio++) {
+		int h;
+		for (h = 0; h < HASH_SIZE; h++) {
+			struct ip_tunnel *t;
+			while ((t = tunnels[prio][h]) != NULL)
+				unregister_netdevice(t->dev);
+		}
+	}
+}
+
 static void __exit ipip_fini(void)
 {
 	if (ipip_unregister() < 0)
 		printk(KERN_INFO "ipip close: can't deregister tunnel\n");
 
-	unregister_netdev(ipip_fb_tunnel_dev);
+	rtnl_lock();
+	ipip_destroy_tunnels();
+	unregister_netdevice(ipip_fb_tunnel_dev);
+	rtnl_unlock();
 }
 
 module_init(ipip_init);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 7833d920bdba..dc806b578427 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -362,7 +362,7 @@ out:
 
 /* Fill oifs list. It is called under write locked mrt_lock. */
 
-static void ipmr_update_threshoulds(struct mfc_cache *cache, unsigned char *ttls)
+static void ipmr_update_thresholds(struct mfc_cache *cache, unsigned char *ttls)
 {
 	int vifi;
 
@@ -727,7 +727,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
 	if (c != NULL) {
 		write_lock_bh(&mrt_lock);
 		c->mfc_parent = mfc->mfcc_parent;
-		ipmr_update_threshoulds(c, mfc->mfcc_ttls);
+		ipmr_update_thresholds(c, mfc->mfcc_ttls);
 		if (!mrtsock)
 			c->mfc_flags |= MFC_STATIC;
 		write_unlock_bh(&mrt_lock);
@@ -744,7 +744,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
 	c->mfc_origin=mfc->mfcc_origin.s_addr;
 	c->mfc_mcastgrp=mfc->mfcc_mcastgrp.s_addr;
 	c->mfc_parent=mfc->mfcc_parent;
-	ipmr_update_threshoulds(c, mfc->mfcc_ttls);
+	ipmr_update_thresholds(c, mfc->mfcc_ttls);
 	if (!mrtsock)
 		c->mfc_flags |= MFC_STATIC;
 
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index 86f04e41dd8e..a7f0c821a9b2 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -513,6 +513,11 @@ init_conntrack(const struct ip_conntrack_tuple *tuple,
 #ifdef CONFIG_IP_NF_CONNTRACK_MARK
 		conntrack->mark = exp->master->mark;
 #endif
+#if defined(CONFIG_IP_NF_TARGET_MASQUERADE) || \
+    defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE)
+		/* this is ugly, but there is no other place where to put it */
+		conntrack->nat.masq_index = exp->master->nat.masq_index;
+#endif
 		nf_conntrack_get(&conntrack->master->ct_general);
 		CONNTRACK_STAT_INC(expect_new);
 	} else {
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b788f55e139b..e553e5b80d6e 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -195,7 +195,6 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct ip_tunnel_parm *parms, int
 	dev_hold(dev);
 
 	ipip6_tunnel_link(nt);
-	/* Do not decrement MOD_USE_COUNT here. */
 	return nt;
 
 failed:
@@ -794,10 +793,28 @@ static struct net_protocol sit_protocol = {
 	.err_handler	=	ipip6_err,
 };
 
+static void __exit sit_destroy_tunnels(void)
+{
+	int prio;
+
+	for (prio = 1; prio < 4; prio++) {
+		int h;
+		for (h = 0; h < HASH_SIZE; h++) {
+			struct ip_tunnel *t;
+			while ((t = tunnels[prio][h]) != NULL)
+				unregister_netdevice(t->dev);
+		}
+	}
+}
+
 void __exit sit_cleanup(void)
 {
 	inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
-	unregister_netdev(ipip6_fb_tunnel_dev);
+
+	rtnl_lock();
+	sit_destroy_tunnels();
+	unregister_netdevice(ipip6_fb_tunnel_dev);
+	rtnl_unlock();
 }
 
 int __init sit_init(void)