Merge with mainline to remove plat-omap/Kconfig conflict

Conflicts:
	arch/arm/plat-omap/Kconfig

21 files changed, 105 insertions, 61 deletions

diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index fc6ec1e7265..280529ad927 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -313,10 +313,21 @@ static int hidp_send_report(struct hidp_session *session, struct hid_report *rep
         return hidp_queue_report(session, buf, rsize);
 }
 
-static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data, size_t count)
+static int hidp_output_raw_report(struct hid_device *hid, unsigned char *data, size_t count,
+                unsigned char report_type)
 {
-        if (hidp_send_ctrl_message(hid->driver_data,
-                        HIDP_TRANS_SET_REPORT | HIDP_DATA_RTYPE_FEATURE,
+        switch (report_type) {
+        case HID_FEATURE_REPORT:
+                report_type = HIDP_TRANS_SET_REPORT | HIDP_DATA_RTYPE_FEATURE;
+                break;
+        case HID_OUTPUT_REPORT:
+                report_type = HIDP_TRANS_DATA | HIDP_DATA_RTYPE_OUPUT;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        if (hidp_send_ctrl_message(hid->driver_data, report_type,
                         data, count))
                 return -ENOMEM;
         return count;
diff --git a/net/core/dev.c b/net/core/dev.c
index be9924f60ec..bb1f1da2b8a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2041,7 +2041,7 @@ gso:
         rcu_read_lock_bh();
 
         txq = dev_pick_tx(dev, skb);
-        q = rcu_dereference(txq->qdisc);
+        q = rcu_dereference_bh(txq->qdisc);
 
 #ifdef CONFIG_NET_CLS_ACT
         skb->tc_verd = SET_TC_AT(skb->tc_verd, AT_EGRESS);
@@ -2761,7 +2761,7 @@ gro_result_t napi_frags_finish(struct napi_struct *napi, struct sk_buff *skb,
         switch (ret) {
         case GRO_NORMAL:
         case GRO_HELD:
-                skb->protocol = eth_type_trans(skb, napi->dev);
+                skb->protocol = eth_type_trans(skb, skb->dev);
 
                 if (ret == GRO_HELD)
                         skb_gro_pull(skb, -ETH_HLEN);
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index d8aee584e8d..236a9988ea9 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -927,6 +927,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
         case ETHTOOL_GPERMADDR:
         case ETHTOOL_GUFO:
         case ETHTOOL_GGSO:
+        case ETHTOOL_GGRO:
         case ETHTOOL_GFLAGS:
         case ETHTOOL_GPFLAGS:
         case ETHTOOL_GRXFH:
diff --git a/net/core/filter.c b/net/core/filter.c
index 08db7b9143a..3541aa48d21 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -86,7 +86,7 @@ int sk_filter(struct sock *sk, struct sk_buff *skb)
                 return err;
 
         rcu_read_lock_bh();
-        filter = rcu_dereference(sk->sk_filter);
+        filter = rcu_dereference_bh(sk->sk_filter);
         if (filter) {
                 unsigned int pkt_len = sk_run_filter(skb, filter->insns,
                                 filter->len);
@@ -521,7 +521,7 @@ int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk)
         }
 
         rcu_read_lock_bh();
-        old_fp = rcu_dereference(sk->sk_filter);
+        old_fp = rcu_dereference_bh(sk->sk_filter);
         rcu_assign_pointer(sk->sk_filter, fp);
         rcu_read_unlock_bh();
 
@@ -536,7 +536,7 @@ int sk_detach_filter(struct sock *sk)
         struct sk_filter *filter;
 
         rcu_read_lock_bh();
-        filter = rcu_dereference(sk->sk_filter);
+        filter = rcu_dereference_bh(sk->sk_filter);
         if (filter) {
                 rcu_assign_pointer(sk->sk_filter, NULL);
                 sk_filter_delayed_uncharge(sk, filter);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index fbc1c7472c5..099c753c421 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -410,7 +410,8 @@ static ssize_t wireless_show(struct device *d, char *buf,
         const struct iw_statistics *iw;
         ssize_t ret = -EINVAL;
 
-        rtnl_lock();
+        if (!rtnl_trylock())
+                return restart_syscall();
         if (dev_isalive(dev)) {
                 iw = get_wireless_stats(dev);
                 if (iw)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 794bcb897ff..4c7d3f635ba 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -89,6 +89,14 @@ int rtnl_is_locked(void)
 }
 EXPORT_SYMBOL(rtnl_is_locked);
 
+#ifdef CONFIG_PROVE_LOCKING
+int lockdep_rtnl_is_held(void)
+{
+        return lockdep_is_held(&rtnl_mutex);
+}
+EXPORT_SYMBOL(lockdep_rtnl_is_held);
+#endif /* #ifdef CONFIG_PROVE_LOCKING */
+
 static struct rtnl_link *rtnl_msg_handlers[NPROTO];
 
 static inline int rtm_msgindex(int msgtype)
diff --git a/net/core/sock.c b/net/core/sock.c
index e1f6f225f01..305cba401ae 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1073,7 +1073,8 @@ static void __sk_free(struct sock *sk)
         if (sk->sk_destruct)
                 sk->sk_destruct(sk);
 
-        filter = rcu_dereference(sk->sk_filter);
+        filter = rcu_dereference_check(sk->sk_filter,
+                                       atomic_read(&sk->sk_wmem_alloc) == 0);
         if (filter) {
                 sk_filter_uncharge(sk, filter);
                 rcu_assign_pointer(sk->sk_filter, NULL);
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index a03284061a3..a7bf03ca0a3 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1155,8 +1155,8 @@ static int __dn_route_output_key(struct dst_entry **pprt, const struct flowi *fl
 
         if (!(flags & MSG_TRYHARD)) {
                 rcu_read_lock_bh();
-                for(rt = rcu_dereference(dn_rt_hash_table[hash].chain); rt;
-                        rt = rcu_dereference(rt->u.dst.dn_next)) {
+                for (rt = rcu_dereference_bh(dn_rt_hash_table[hash].chain); rt;
+                        rt = rcu_dereference_bh(rt->u.dst.dn_next)) {
                         if ((flp->fld_dst == rt->fl.fld_dst) &&
                             (flp->fld_src == rt->fl.fld_src) &&
                             (flp->mark == rt->fl.mark) &&
@@ -1618,9 +1618,9 @@ int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb)
                 if (h > s_h)
                         s_idx = 0;
                 rcu_read_lock_bh();
-                for(rt = rcu_dereference(dn_rt_hash_table[h].chain), idx = 0;
+                for(rt = rcu_dereference_bh(dn_rt_hash_table[h].chain), idx = 0;
                         rt;
-                        rt = rcu_dereference(rt->u.dst.dn_next), idx++) {
+                        rt = rcu_dereference_bh(rt->u.dst.dn_next), idx++) {
                         if (idx < s_idx)
                                 continue;
                         skb_dst_set(skb, dst_clone(&rt->u.dst));
@@ -1654,12 +1654,12 @@ static struct dn_route *dn_rt_cache_get_first(struct seq_file *seq)
 
         for(s->bucket = dn_rt_hash_mask; s->bucket >= 0; --s->bucket) {
                 rcu_read_lock_bh();
-                rt = dn_rt_hash_table[s->bucket].chain;
+                rt = rcu_dereference_bh(dn_rt_hash_table[s->bucket].chain);
                 if (rt)
                         break;
                 rcu_read_unlock_bh();
         }
-        return rcu_dereference(rt);
+        return rt;
 }
 
 static struct dn_route *dn_rt_cache_get_next(struct seq_file *seq, struct dn_route *rt)
@@ -1674,7 +1674,7 @@ static struct dn_route *dn_rt_cache_get_next(struct seq_file *seq, struct dn_rou
                 rcu_read_lock_bh();
                 rt = dn_rt_hash_table[s->bucket].chain;
         }
-        return rcu_dereference(rt);
+        return rcu_dereference_bh(rt);
 }
 
 static void *dn_rt_cache_seq_start(struct seq_file *seq, loff_t *pos)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 040c4f05b65..26dec2be961 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1317,14 +1317,19 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write,
 {
         int *valp = ctl->data;
         int val = *valp;
+        loff_t pos = *ppos;
         int ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
 
         if (write && *valp != val) {
                 struct net *net = ctl->extra2;
 
                 if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING)) {
-                        if (!rtnl_trylock())
+                        if (!rtnl_trylock()) {
+                                /* Restore the original values before restarting */
+                                *valp = val;
+                                *ppos = pos;
                                 return restart_syscall();
+                        }
                         if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING)) {
                                 inet_forward_change(net);
                         } else if (*valp) {
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 76c08402c93..a42f658e756 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -946,7 +946,6 @@ int igmp_rcv(struct sk_buff *skb)
                 break;
         case IGMP_HOST_MEMBERSHIP_REPORT:
         case IGMPV2_HOST_MEMBERSHIP_REPORT:
-        case IGMPV3_HOST_MEMBERSHIP_REPORT:
                 /* Is it our report looped back? */
                 if (skb_rtable(skb)->fl.iif == 0)
                         break;
@@ -960,6 +959,7 @@ int igmp_rcv(struct sk_buff *skb)
                 in_dev_put(in_dev);
                 return pim_rcv_v1(skb);
 #endif
+        case IGMPV3_HOST_MEMBERSHIP_REPORT:
         case IGMP_DVMRP:
         case IGMP_TRACE:
         case IGMP_HOST_LEAVE_MESSAGE:
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index 38fbf04150a..544ce0876f1 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -124,16 +124,12 @@ static int ipcomp4_init_state(struct xfrm_state *x)
         if (x->props.mode == XFRM_MODE_TUNNEL) {
                 err = ipcomp_tunnel_attach(x);
                 if (err)
-                        goto error_tunnel;
+                        goto out;
         }
 
         err = 0;
 out:
         return err;
-
-error_tunnel:
-        ipcomp_destroy(x);
-        goto out;
 }
 
 static const struct xfrm_type ipcomp_type = {
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index d62b05d3338..4f11faa5c82 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -287,12 +287,12 @@ static struct rtable *rt_cache_get_first(struct seq_file *seq)
                 if (!rt_hash_table[st->bucket].chain)
                         continue;
                 rcu_read_lock_bh();
-                r = rcu_dereference(rt_hash_table[st->bucket].chain);
+                r = rcu_dereference_bh(rt_hash_table[st->bucket].chain);
                 while (r) {
                         if (dev_net(r->u.dst.dev) == seq_file_net(seq) &&
                             r->rt_genid == st->genid)
                                 return r;
-                        r = rcu_dereference(r->u.dst.rt_next);
+                        r = rcu_dereference_bh(r->u.dst.rt_next);
                 }
                 rcu_read_unlock_bh();
         }
@@ -314,7 +314,7 @@ static struct rtable *__rt_cache_get_next(struct seq_file *seq,
                 rcu_read_lock_bh();
                 r = rt_hash_table[st->bucket].chain;
         }
-        return rcu_dereference(r);
+        return rcu_dereference_bh(r);
 }
 
 static struct rtable *rt_cache_get_next(struct seq_file *seq,
@@ -2689,8 +2689,8 @@ int __ip_route_output_key(struct net *net, struct rtable **rp,
         hash = rt_hash(flp->fl4_dst, flp->fl4_src, flp->oif, rt_genid(net));
 
         rcu_read_lock_bh();
-        for (rth = rcu_dereference(rt_hash_table[hash].chain); rth;
-                rth = rcu_dereference(rth->u.dst.rt_next)) {
+        for (rth = rcu_dereference_bh(rt_hash_table[hash].chain); rth;
+                rth = rcu_dereference_bh(rth->u.dst.rt_next)) {
                 if (rth->fl.fl4_dst == flp->fl4_dst &&
                     rth->fl.fl4_src == flp->fl4_src &&
                     rth->fl.iif == 0 &&
@@ -3008,8 +3008,8 @@ int ip_rt_dump(struct sk_buff *skb,  struct netlink_callback *cb)
                 if (!rt_hash_table[h].chain)
                         continue;
                 rcu_read_lock_bh();
-                for (rt = rcu_dereference(rt_hash_table[h].chain), idx = 0; rt;
-                     rt = rcu_dereference(rt->u.dst.rt_next), idx++) {
+                for (rt = rcu_dereference_bh(rt_hash_table[h].chain), idx = 0; rt;
+                     rt = rcu_dereference_bh(rt->u.dst.rt_next), idx++) {
                         if (!net_eq(dev_net(rt->u.dst.dev), net) || idx < s_idx)
                                 continue;
                         if (rt_is_expired(rt))
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 28e02963249..3fddc69cccc 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5783,11 +5783,9 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
 
                                 /* tcp_ack considers this ACK as duplicate
                                  * and does not calculate rtt.
-                                 * Fix it at least with timestamps.
+                                 * Force it here.
                                  */
-                                if (tp->rx_opt.saw_tstamp &&
-                                    tp->rx_opt.rcv_tsecr && !tp->srtt)
-                                        tcp_ack_saw_tstamp(sk, 0);
+                                tcp_ack_update_rtt(sk, 0, 0);
 
                                 if (tp->rx_opt.tstamp_ok)
                                         tp->advmss -= TCPOLEN_TSTAMP_ALIGNED;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index de7a194a64a..143791da062 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -502,8 +502,11 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
         if (p == &net->ipv6.devconf_dflt->forwarding)
                 return 0;
 
-        if (!rtnl_trylock())
+        if (!rtnl_trylock()) {
+                /* Restore the original values before restarting */
+                *p = old;
                 return restart_syscall();
+        }
 
         if (p == &net->ipv6.devconf_all->forwarding) {
                 __s32 newf = net->ipv6.devconf_all->forwarding;
@@ -4028,12 +4031,15 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write,
 {
         int *valp = ctl->data;
         int val = *valp;
+        loff_t pos = *ppos;
         int ret;
 
         ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
 
         if (write)
                 ret = addrconf_fixup_forwarding(ctl, valp, val);
+        if (ret)
+                *ppos = pos;
         return ret;
 }
 
@@ -4075,8 +4081,11 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old)
         if (p == &net->ipv6.devconf_dflt->disable_ipv6)
                 return 0;
 
-        if (!rtnl_trylock())
+        if (!rtnl_trylock()) {
+                /* Restore the original values before restarting */
+                *p = old;
                 return restart_syscall();
+        }
 
         if (p == &net->ipv6.devconf_all->disable_ipv6) {
                 __s32 newf = net->ipv6.devconf_all->disable_ipv6;
@@ -4095,12 +4104,15 @@ int addrconf_sysctl_disable(ctl_table *ctl, int write,
 {
         int *valp = ctl->data;
         int val = *valp;
+        loff_t pos = *ppos;
         int ret;
 
         ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
 
         if (write)
                 ret = addrconf_disable_ipv6(ctl, valp, val);
+        if (ret)
+                *ppos = pos;
         return ret;
 }
 
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 2f2a5ca2c87..002e6eef912 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -154,16 +154,12 @@ static int ipcomp6_init_state(struct xfrm_state *x)
         if (x->props.mode == XFRM_MODE_TUNNEL) {
                 err = ipcomp6_tunnel_attach(x);
                 if (err)
-                        goto error_tunnel;
+                        goto out;
         }
 
         err = 0;
 out:
         return err;
-error_tunnel:
-        ipcomp_destroy(x);
-
-        goto out;
 }
 
 static const struct xfrm_type ipcomp6_type =
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 1f2db647bb5..22f0c2aa7a8 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -647,7 +647,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
         }
         if (pos[1] != 0 &&
             (pos[1] != ifibss->ssid_len ||
-             !memcmp(pos + 2, ifibss->ssid, ifibss->ssid_len))) {
+             memcmp(pos + 2, ifibss->ssid, ifibss->ssid_len))) {
                 /* Ignore ProbeReq for foreign SSID */
                 return;
         }
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index b9007f80cb9..12a2bff7dcd 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -245,6 +245,9 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
                 info->control.rates[i].count = 1;
         }
 
+        if (sdata->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
+                return;
+
         if (sta && sdata->force_unicast_rateidx > -1) {
                 info->control.rates[0].idx = sdata->force_unicast_rateidx;
         } else {
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index f934c9620b7..bc17cf7d68d 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -439,6 +439,16 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
         if (local->scan_req)
                 return -EBUSY;
 
+        if (req != local->int_scan_req &&
+            sdata->vif.type == NL80211_IFTYPE_STATION &&
+            !list_empty(&ifmgd->work_list)) {
+                /* actually wait for the work it's doing to finish/time out */
+                set_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request);
+                local->scan_req = req;
+                local->scan_sdata = sdata;
+                return 0;
+        }
+
         if (local->ops->hw_scan) {
                 u8 *ies;
 
@@ -463,14 +473,6 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
         local->scan_req = req;
         local->scan_sdata = sdata;
 
-        if (req != local->int_scan_req &&
-            sdata->vif.type == NL80211_IFTYPE_STATION &&
-            !list_empty(&ifmgd->work_list)) {
-                /* actually wait for the work it's doing to finish/time out */
-                set_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request);
-                return 0;
-        }
-
         if (local->ops->hw_scan)
                 __set_bit(SCAN_HW_SCANNING, &local->scanning);
         else
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f126d18dbdc..939471ef8d5 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -508,7 +508,7 @@ static inline unsigned int run_filter(struct sk_buff *skb, struct sock *sk,
         struct sk_filter *filter;
 
         rcu_read_lock_bh();
-        filter = rcu_dereference(sk->sk_filter);
+        filter = rcu_dereference_bh(sk->sk_filter);
         if (filter != NULL)
                 res = sk_run_filter(skb, filter->insns, filter->len);
         rcu_read_unlock_bh();
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 743c0134a6a..8b4d6e3246e 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -125,6 +125,22 @@ static struct xfrm_algo_desc aead_list[] = {
                 .sadb_alg_maxbits = 256
         }
 },
+{
+        .name = "rfc4543(gcm(aes))",
+
+        .uinfo = {
+                .aead = {
+                        .icv_truncbits = 128,
+                }
+        },
+
+        .desc = {
+                .sadb_alg_id = SADB_X_EALG_NULL_AES_GMAC,
+                .sadb_alg_ivlen = 8,
+                .sadb_alg_minbits = 128,
+                .sadb_alg_maxbits = 256
+        }
+},
 };
 
 static struct xfrm_algo_desc aalg_list[] = {
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index b36cc344474..f445ea1c5f5 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1102,7 +1102,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
         int err = -ENOMEM;
         struct xfrm_state *x = xfrm_state_alloc(net);
         if (!x)
-                goto error;
+                goto out;
 
         memcpy(&x->id, &orig->id, sizeof(x->id));
         memcpy(&x->sel, &orig->sel, sizeof(x->sel));
@@ -1160,16 +1160,10 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
         return x;
 
  error:
+        xfrm_state_put(x);
+out:
         if (errp)
                 *errp = err;
-        if (x) {
-                kfree(x->aalg);
-                kfree(x->ealg);
-                kfree(x->calg);
-                kfree(x->encap);
-                kfree(x->coaddr);
-        }
-        kfree(x);
         return NULL;
 }