diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index c2642bc..2c343aa 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -56,7 +56,7 @@
 
 obj-$(CONFIG_ADM8211)	+= adm8211.o
 
-obj-$(CONFIG_IWLCORE)	+= iwlwifi/
+obj-$(CONFIG_IWLWIFI)	+= iwlwifi/
 obj-$(CONFIG_RT2X00)	+= rt2x00/
 
 obj-$(CONFIG_P54_COMMON)	+= p54/
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index c4e631d..9a25f55 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -1,6 +1,11 @@
+config IWLWIFI
+	bool
+	default n
+
 config IWLCORE
 	tristate "Intel Wireless Wifi Core"
 	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
+	select IWLWIFI
 
 config IWLWIFI_LEDS
 	bool
@@ -106,6 +111,7 @@
 	tristate "Intel PRO/Wireless 3945ABG/BG Network Connection"
 	depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
 	select FW_LOADER
+	select IWLWIFI
 	---help---
 	  Select to build the driver supporting the:
 
diff --git a/include/net/compat.h b/include/net/compat.h
index 406db24..05fa5d0 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -40,4 +40,7 @@
 
 extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
 
+extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, int,
+	int (*)(struct sock *, int, int, char __user *, int));
+
 #endif /* NET_COMPAT_H */
diff --git a/net/can/raw.c b/net/can/raw.c
index 201cbfc..69877b8 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -435,15 +435,13 @@
 			if (!filter)
 				return -ENOMEM;
 
-			err = copy_from_user(filter, optval, optlen);
-			if (err) {
+			if (copy_from_user(filter, optval, optlen)) {
 				kfree(filter);
-				return err;
+				return -EFAULT;
 			}
 		} else if (count == 1) {
-			err = copy_from_user(&sfilter, optval, optlen);
-			if (err)
-				return err;
+			if (copy_from_user(&sfilter, optval, optlen))
+				return -EFAULT;
 		}
 
 		lock_sock(sk);
@@ -493,9 +491,8 @@
 		if (optlen != sizeof(err_mask))
 			return -EINVAL;
 
-		err = copy_from_user(&err_mask, optval, optlen);
-		if (err)
-			return err;
+		if (copy_from_user(&err_mask, optval, optlen))
+			return -EFAULT;
 
 		err_mask &= CAN_ERR_MASK;
 
@@ -531,7 +528,8 @@
 		if (optlen != sizeof(ro->loopback))
 			return -EINVAL;
 
-		err = copy_from_user(&ro->loopback, optval, optlen);
+		if (copy_from_user(&ro->loopback, optval, optlen))
+			return -EFAULT;
 
 		break;
 
@@ -539,7 +537,8 @@
 		if (optlen != sizeof(ro->recv_own_msgs))
 			return -EINVAL;
 
-		err = copy_from_user(&ro->recv_own_msgs, optval, optlen);
+		if (copy_from_user(&ro->recv_own_msgs, optval, optlen))
+			return -EFAULT;
 
 		break;
 
diff --git a/net/compat.c b/net/compat.c
index 80013fb..01bf95d 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -24,6 +24,8 @@
 
 #include <net/scm.h>
 #include <net/sock.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
 #include <asm/uaccess.h>
 #include <net/compat.h>
 
@@ -521,6 +523,121 @@
 	}
 	return err;
 }
+
+struct compat_group_req {
+	__u32				 gr_interface;
+	struct __kernel_sockaddr_storage gr_group
+		__attribute__ ((aligned(4)));
+} __attribute__ ((packed));
+
+struct compat_group_source_req {
+	__u32				 gsr_interface;
+	struct __kernel_sockaddr_storage gsr_group
+		__attribute__ ((aligned(4)));
+	struct __kernel_sockaddr_storage gsr_source
+		__attribute__ ((aligned(4)));
+} __attribute__ ((packed));
+
+struct compat_group_filter {
+	__u32				 gf_interface;
+	struct __kernel_sockaddr_storage gf_group
+		__attribute__ ((aligned(4)));
+	__u32				 gf_fmode;
+	__u32				 gf_numsrc;
+	struct __kernel_sockaddr_storage gf_slist[1]
+		__attribute__ ((aligned(4)));
+} __attribute__ ((packed));
+
+
+int compat_mc_setsockopt(struct sock *sock, int level, int optname,
+	char __user *optval, int optlen,
+	int (*setsockopt)(struct sock *,int,int,char __user *,int))
+{
+	char __user	*koptval = optval;
+	int		koptlen = optlen;
+
+	switch (optname) {
+	case MCAST_JOIN_GROUP:
+	case MCAST_LEAVE_GROUP:
+	{
+		struct compat_group_req __user *gr32 = (void *)optval;
+		struct group_req __user *kgr =
+			compat_alloc_user_space(sizeof(struct group_req));
+		u32 interface;
+
+		if (!access_ok(VERIFY_READ, gr32, sizeof(*gr32)) ||
+		    !access_ok(VERIFY_WRITE, kgr, sizeof(struct group_req)) ||
+		    __get_user(interface, &gr32->gr_interface) ||
+		    __put_user(interface, &kgr->gr_interface) ||
+		    copy_in_user(&kgr->gr_group, &gr32->gr_group,
+				sizeof(kgr->gr_group)))
+			return -EFAULT;
+		koptval = (char __user *)kgr;
+		koptlen = sizeof(struct group_req);
+		break;
+	}
+	case MCAST_JOIN_SOURCE_GROUP:
+	case MCAST_LEAVE_SOURCE_GROUP:
+	case MCAST_BLOCK_SOURCE:
+	case MCAST_UNBLOCK_SOURCE:
+	{
+		struct compat_group_source_req __user *gsr32 = (void *)optval;
+		struct group_source_req *kgsr = compat_alloc_user_space(
+			sizeof(struct group_source_req));
+		u32 interface;
+
+		if (!access_ok(VERIFY_READ, gsr32, sizeof(*gsr32)) ||
+		    !access_ok(VERIFY_WRITE, kgsr,
+			sizeof(struct group_source_req)) ||
+		    __get_user(interface, &gsr32->gsr_interface) ||
+		    __put_user(interface, &kgsr->gsr_interface) ||
+		    copy_in_user(&kgsr->gsr_group, &gsr32->gsr_group,
+				sizeof(kgsr->gsr_group)) ||
+		    copy_in_user(&kgsr->gsr_source, &gsr32->gsr_source,
+				sizeof(kgsr->gsr_source)))
+			return -EFAULT;
+		koptval = (char __user *)kgsr;
+		koptlen = sizeof(struct group_source_req);
+		break;
+	}
+	case MCAST_MSFILTER:
+	{
+		struct compat_group_filter __user *gf32 = (void *)optval;
+		struct group_filter *kgf;
+		u32 interface, fmode, numsrc;
+
+		if (!access_ok(VERIFY_READ, gf32, sizeof(*gf32)) ||
+		    __get_user(interface, &gf32->gf_interface) ||
+		    __get_user(fmode, &gf32->gf_fmode) ||
+		    __get_user(numsrc, &gf32->gf_numsrc))
+			return -EFAULT;
+		koptlen = optlen + sizeof(struct group_filter) -
+				sizeof(struct compat_group_filter);
+		if (koptlen < GROUP_FILTER_SIZE(numsrc))
+			return -EINVAL;
+		kgf = compat_alloc_user_space(koptlen);
+		if (!access_ok(VERIFY_WRITE, kgf, koptlen) ||
+		    __put_user(interface, &kgf->gf_interface) ||
+		    __put_user(fmode, &kgf->gf_fmode) ||
+		    __put_user(numsrc, &kgf->gf_numsrc) ||
+		    copy_in_user(&kgf->gf_group, &gf32->gf_group,
+				sizeof(kgf->gf_group)) ||
+		    (numsrc && copy_in_user(&kgf->gf_slist, &gf32->gf_slist,
+				numsrc * sizeof(kgf->gf_slist[0]))))
+			return -EFAULT;
+		koptval = (char __user *)kgf;
+		break;
+	}
+
+	default:
+		break;
+	}
+	return setsockopt(sock, level, optname, koptval, koptlen);
+}
+
+EXPORT_SYMBOL(compat_mc_setsockopt);
+
+
 /* Argument list sizes for compat_sys_socketcall */
 #define AL(x) ((x) * sizeof(u32))
 static unsigned char nas[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index d8adfd4..4d8d954 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -36,6 +36,7 @@
 #include <linux/mroute.h>
 #include <net/route.h>
 #include <net/xfrm.h>
+#include <net/compat.h>
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 #include <net/transp_v6.h>
 #endif
@@ -923,6 +924,10 @@
 	if (level != SOL_IP)
 		return -ENOPROTOOPT;
 
+	if (optname >= MCAST_JOIN_GROUP && optname <= MCAST_MSFILTER)
+		return compat_mc_setsockopt(sk, level, optname, optval, optlen,
+			ip_setsockopt);
+
 	err = do_ip_setsockopt(sk, level, optname, optval, optlen);
 #ifdef CONFIG_NETFILTER
 	/* we need to exclude all possible ENOPROTOOPTs except default case */
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ac9b848..0298f80 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4925,8 +4925,7 @@
 	tcp_data_snd_check(sk);
 	tcp_ack_snd_check(sk);
 
-	if (tcp_defer_accept_check(sk))
-		return -1;
+	tcp_defer_accept_check(sk);
 	return 0;
 
 csum_error:
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index b2c9bec..42814a2 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -167,7 +167,7 @@
 	  Tunneling means encapsulating data of one protocol type within
 	  another protocol and sending it over a channel that understands the
 	  encapsulating protocol. This driver implements encapsulation of IPv6
-	  into IPv4 packets. This is useful if you want to connect to IPv6
+	  into IPv4 packets. This is useful if you want to connect two IPv6
 	  networks over an IPv4-only path.
 
 	  Saying M here will produce a module called sit.ko. If unsure, say Y.
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index c8c6e33..2de3c46 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -358,7 +358,7 @@
 	if (pim->type != ((PIM_VERSION << 4) | PIM_REGISTER) ||
 	    (pim->flags & PIM_NULL_REGISTER) ||
 	    (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
-	     (u16)csum_fold(skb_checksum(skb, 0, skb->len, 0))))
+	     csum_fold(skb_checksum(skb, 0, skb->len, 0))))
 		goto drop;
 
 	/* check if the inner packet is destined to mcast group */
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 06de9d0..db6fdc1 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -52,6 +52,7 @@
 #include <net/udp.h>
 #include <net/udplite.h>
 #include <net/xfrm.h>
+#include <net/compat.h>
 
 #include <asm/uaccess.h>
 
@@ -779,6 +780,10 @@
 	if (level != SOL_IPV6)
 		return -ENOPROTOOPT;
 
+	if (optname >= MCAST_JOIN_GROUP && optname <= MCAST_MSFILTER)
+		return compat_mc_setsockopt(sk, level, optname, optval, optlen,
+			ipv6_setsockopt);
+
 	err = do_ipv6_setsockopt(sk, level, optname, optval, optlen);
 #ifdef CONFIG_NETFILTER
 	/* we need to exclude all possible ENOPROTOOPTs except default case */
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 520a518..a24b459 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -73,7 +73,9 @@
 
 config MAC80211_LEDS
 	bool "Enable LED triggers"
-	depends on MAC80211 && LEDS_TRIGGERS
+	depends on MAC80211
+	select NEW_LEDS
+	select LEDS_TRIGGERS
 	---help---
 	  This option enables a few LED triggers for different
 	  packet receive/transmit events.
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 75d748e..e1770f7 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -445,7 +445,7 @@
 /**
  * xprt_wait_for_buffer_space - wait for transport output buffer to clear
  * @task: task to be put to sleep
- *
+ * @action: function pointer to be executed after wait
  */
 void xprt_wait_for_buffer_space(struct rpc_task *task, rpc_action action)
 {
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 6ad070d..ad487e8 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -70,10 +70,9 @@
 				u32 pos, u32 mask, u32 val)
 {
 	val = (val & mask) << pos;
-	val = htonl(val);
-	mask = htonl(mask << pos);
-	m->hdr[w] &= ~mask;
-	m->hdr[w] |= val;
+	mask = mask << pos;
+	m->hdr[w] &= ~htonl(mask);
+	m->hdr[w] |= htonl(val);
 }
 
 /*
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 8aa6440..ac765dd 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -129,8 +129,7 @@
 
 static struct xfrm_algo_desc aalg_list[] = {
 {
-	.name = "hmac(digest_null)",
-	.compat = "digest_null",
+	.name = "digest_null",
 
 	.uinfo = {
 		.auth = {
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 5dcc10b..fac27ce 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -2112,7 +2112,7 @@
 		iph6 = ipv6_hdr(skb);
 		audit_log_format(audit_buf,
 				 " src=" NIP6_FMT " dst=" NIP6_FMT
-				 " flowlbl=0x%x%x%x",
+				 " flowlbl=0x%x%02x%02x",
 				 NIP6(iph6->saddr),
 				 NIP6(iph6->daddr),
 				 iph6->flow_lbl[0] & 0x0f,