12 files changed, 144 insertions, 41 deletions

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 861b4cbf40db..55cffad2f328 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -324,6 +324,38 @@ void unregister_pernet_subsys(struct pernet_operations *module)
 }
 EXPORT_SYMBOL_GPL(unregister_pernet_subsys);
 
+int register_pernet_gen_subsys(int *id, struct pernet_operations *ops)
+{
+        int rv;
+
+        mutex_lock(&net_mutex);
+again:
+        rv = ida_get_new_above(&net_generic_ids, 1, id);
+        if (rv < 0) {
+                if (rv == -EAGAIN) {
+                        ida_pre_get(&net_generic_ids, GFP_KERNEL);
+                        goto again;
+                }
+                goto out;
+        }
+        rv = register_pernet_operations(first_device, ops);
+        if (rv < 0)
+                ida_remove(&net_generic_ids, *id);
+        mutex_unlock(&net_mutex);
+out:
+        return rv;
+}
+EXPORT_SYMBOL_GPL(register_pernet_gen_subsys);
+
+void unregister_pernet_gen_subsys(int id, struct pernet_operations *ops)
+{
+        mutex_lock(&net_mutex);
+        unregister_pernet_operations(ops);
+        ida_remove(&net_generic_ids, id);
+        mutex_unlock(&net_mutex);
+}
+EXPORT_SYMBOL_GPL(unregister_pernet_gen_subsys);
+
 /**
  *      register_pernet_device - register a network namespace device
  *      @ops:  pernet operations structure for the subsystem
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 18dd83c2ead0..fa4973bf73e9 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1972,28 +1972,27 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 
         /* make sure that we don't pick a non-existing transmit queue */
         ntxq = pkt_dev->odev->real_num_tx_queues;
-        if (ntxq <= num_online_cpus() && (pkt_dev->flags & F_QUEUE_MAP_CPU)) {
+        if (ntxq > num_online_cpus() && (pkt_dev->flags & F_QUEUE_MAP_CPU)) {
                 printk(KERN_WARNING "pktgen: WARNING: QUEUE_MAP_CPU "
-                       "disabled because CPU count (%d) exceeds number ",
-                       num_online_cpus());
-                printk(KERN_WARNING "pktgen: WARNING: of tx queues "
-                       "(%d) on %s \n", ntxq, pkt_dev->odev->name);
+                       "disabled because CPU count (%d) exceeds number "
+                       "of tx queues (%d) on %s\n", num_online_cpus(), ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->flags &= ~F_QUEUE_MAP_CPU;
         }
         if (ntxq <= pkt_dev->queue_map_min) {
                 printk(KERN_WARNING "pktgen: WARNING: Requested "
-                       "queue_map_min (%d) exceeds number of tx\n",
-                       pkt_dev->queue_map_min);
-                printk(KERN_WARNING "pktgen: WARNING: queues (%d) on "
-                       "%s, resetting\n", ntxq, pkt_dev->odev->name);
+                       "queue_map_min (zero-based) (%d) exceeds valid range "
+                       "[0 - %d] for (%d) queues on %s, resetting\n",
+                       pkt_dev->queue_map_min, (ntxq ?: 1)- 1, ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->queue_map_min = ntxq - 1;
         }
-        if (ntxq <= pkt_dev->queue_map_max) {
+        if (pkt_dev->queue_map_max >= ntxq) {
                 printk(KERN_WARNING "pktgen: WARNING: Requested "
-                       "queue_map_max (%d) exceeds number of tx\n",
-                       pkt_dev->queue_map_max);
-                printk(KERN_WARNING "pktgen: WARNING: queues (%d) on "
-                       "%s, resetting\n", ntxq, pkt_dev->odev->name);
+                       "queue_map_max (zero-based) (%d) exceeds valid range "
+                       "[0 - %d] for (%d) queues on %s, resetting\n",
+                       pkt_dev->queue_map_max, (ntxq ?: 1)- 1, ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->queue_map_max = ntxq - 1;
         }
 
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 4bcec7f77251..e52799047a5f 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -2062,9 +2062,10 @@ int cipso_v4_skbuff_setattr(struct sk_buff *skb,
         u32 opt_len;
         int len_delta;
 
-        buf_len = cipso_v4_genopt(buf, buf_len, doi_def, secattr);
-        if (buf_len < 0)
-                return buf_len;
+        ret_val = cipso_v4_genopt(buf, buf_len, doi_def, secattr);
+        if (ret_val < 0)
+                return ret_val;
+        buf_len = ret_val;
         opt_len = (buf_len + 3) & ~3;
 
         /* we overwrite any existing options to ensure that we have enough
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
index 0b024cd6b809..98f480708050 100644
--- a/net/mac80211/rc80211_minstrel_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -94,8 +94,8 @@ minstrel_stats_open(struct inode *inode, struct file *file)
                                 prob / 10, prob % 10,
                                 mr->last_success,
                                 mr->last_attempts,
-                                mr->succ_hist,
-                                mr->att_hist);
+                                (unsigned long long)mr->succ_hist,
+                                (unsigned long long)mr->att_hist);
         }
         p += sprintf(p, "\nTotal packet count::    ideal %d      "
                         "lookaround %d\n\n",
@@ -106,7 +106,7 @@ minstrel_stats_open(struct inode *inode, struct file *file)
         return 0;
 }
 
-static int
+static ssize_t
 minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *o)
 {
         struct minstrel_stats_info *ms;
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index a2cdbcbf64c4..4ab62ad85dd4 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -335,7 +335,7 @@ static int __init nf_ct_proto_gre_init(void)
         rv = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_gre4);
         if (rv < 0)
                 return rv;
-        rv = register_pernet_gen_device(&proto_gre_net_id, &proto_gre_net_ops);
+        rv = register_pernet_gen_subsys(&proto_gre_net_id, &proto_gre_net_ops);
         if (rv < 0)
                 nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4);
         return rv;
@@ -344,7 +344,7 @@ static int __init nf_ct_proto_gre_init(void)
 static void nf_ct_proto_gre_fini(void)
 {
         nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4);
-        unregister_pernet_gen_device(proto_gre_net_id, &proto_gre_net_ops);
+        unregister_pernet_gen_subsys(proto_gre_net_id, &proto_gre_net_ops);
 }
 
 module_init(nf_ct_proto_gre_init);
diff --git a/net/netlabel/netlabel_addrlist.c b/net/netlabel/netlabel_addrlist.c
index 8b1c58b0820c..2fc49e56c5a7 100644
--- a/net/netlabel/netlabel_addrlist.c
+++ b/net/netlabel/netlabel_addrlist.c
@@ -315,6 +315,7 @@ struct netlbl_af6list *netlbl_af6list_remove(const struct in6_addr *addr,
  * Audit Helper Functions
  */
 
+#ifdef CONFIG_AUDIT
 /**
  * netlbl_af4list_audit_addr - Audit an IPv4 address
  * @audit_buf: audit buffer
@@ -386,3 +387,4 @@ void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf,
         }
 }
 #endif /* IPv6 */
+#endif /* CONFIG_AUDIT */
diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h
index 0242bead405f..07ae7fd82be1 100644
--- a/net/netlabel/netlabel_addrlist.h
+++ b/net/netlabel/netlabel_addrlist.h
@@ -120,9 +120,19 @@ struct netlbl_af4list *netlbl_af4list_search(__be32 addr,
 struct netlbl_af4list *netlbl_af4list_search_exact(__be32 addr,
                                                    __be32 mask,
                                                    struct list_head *head);
+
+#ifdef CONFIG_AUDIT
 void netlbl_af4list_audit_addr(struct audit_buffer *audit_buf,
                                int src, const char *dev,
                                __be32 addr, __be32 mask);
+#else
+static inline void netlbl_af4list_audit_addr(struct audit_buffer *audit_buf,
+                                             int src, const char *dev,
+                                             __be32 addr, __be32 mask)
+{
+        return;
+}
+#endif
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 
@@ -179,11 +189,23 @@ struct netlbl_af6list *netlbl_af6list_search(const struct in6_addr *addr,
 struct netlbl_af6list *netlbl_af6list_search_exact(const struct in6_addr *addr,
                                                    const struct in6_addr *mask,
                                                    struct list_head *head);
+
+#ifdef CONFIG_AUDIT
 void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf,
                                int src,
                                const char *dev,
                                const struct in6_addr *addr,
                                const struct in6_addr *mask);
+#else
+static inline void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf,
+                                             int src,
+                                             const char *dev,
+                                             const struct in6_addr *addr,
+                                             const struct in6_addr *mask)
+{
+        return;
+}
+#endif
 #endif /* IPV6 */
 
 #endif
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
index ee769ecaa13c..0a0ef17b2a40 100644
--- a/net/netlabel/netlabel_mgmt.c
+++ b/net/netlabel/netlabel_mgmt.c
@@ -265,7 +265,7 @@ add_failure:
 static int netlbl_mgmt_listentry(struct sk_buff *skb,
                                  struct netlbl_dom_map *entry)
 {
-        int ret_val;
+        int ret_val = 0;
         struct nlattr *nla_a;
         struct nlattr *nla_b;
         struct netlbl_af4list *iter4;
diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c
index 21124ec0a73d..bfdade72e066 100644
--- a/net/rfkill/rfkill-input.c
+++ b/net/rfkill/rfkill-input.c
@@ -256,6 +256,11 @@ static struct input_handler rfkill_handler = {
 
 static int __init rfkill_handler_init(void)
 {
+        unsigned long last_run = jiffies - msecs_to_jiffies(500);
+        rfkill_wlan.last = last_run;
+        rfkill_bt.last = last_run;
+        rfkill_uwb.last = last_run;
+        rfkill_wimax.last = last_run;
         return input_register_handler(&rfkill_handler);
 }
 
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 436bf1b4b76c..cb216b2df666 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -228,19 +228,21 @@ static int
 rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
 {
         spinlock_t *cache_lock;
-        struct rpc_cred *cred;
+        struct rpc_cred *cred, *next;
         unsigned long expired = jiffies - RPC_AUTH_EXPIRY_MORATORIUM;
 
-        while (!list_empty(&cred_unused)) {
-                cred = list_entry(cred_unused.next, struct rpc_cred, cr_lru);
+        list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) {
+
+                /* Enforce a 60 second garbage collection moratorium */
+                if (time_in_range(cred->cr_expire, expired, jiffies) &&
+                    test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0)
+                        continue;
+
                 list_del_init(&cred->cr_lru);
                 number_cred_unused--;
                 if (atomic_read(&cred->cr_count) != 0)
                         continue;
-                /* Enforce a 5 second garbage collection moratorium */
-                if (time_in_range(cred->cr_expire, expired, jiffies) &&
-                    test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0)
-                        continue;
+
                 cache_lock = &cred->cr_auth->au_credcache->lock;
                 spin_lock(cache_lock);
                 if (atomic_read(&cred->cr_count) == 0) {
@@ -453,7 +455,7 @@ need_lock:
         }
         if (test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) == 0)
                 rpcauth_unhash_cred(cred);
-        else if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) {
+        if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) {
                 cred->cr_expire = jiffies;
                 list_add_tail(&cred->cr_lru, &cred_unused);
                 number_cred_unused++;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index f9ce3c9949d5..82a9b6286dd3 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -249,6 +249,7 @@ struct sock_xprt {
         void                    (*old_data_ready)(struct sock *, int);
         void                    (*old_state_change)(struct sock *);
         void                    (*old_write_space)(struct sock *);
+        void                    (*old_error_report)(struct sock *);
 };
 
 /*
@@ -696,8 +697,9 @@ static int xs_tcp_send_request(struct rpc_task *task)
         case -EAGAIN:
                 xs_nospace(task);
                 break;
-        case -ECONNREFUSED:
         case -ECONNRESET:
+                xs_tcp_shutdown(xprt);
+        case -ECONNREFUSED:
         case -ENOTCONN:
         case -EPIPE:
                 status = -ENOTCONN;
@@ -740,6 +742,22 @@ out_release:
         xprt_release_xprt(xprt, task);
 }
 
+static void xs_save_old_callbacks(struct sock_xprt *transport, struct sock *sk)
+{
+        transport->old_data_ready = sk->sk_data_ready;
+        transport->old_state_change = sk->sk_state_change;
+        transport->old_write_space = sk->sk_write_space;
+        transport->old_error_report = sk->sk_error_report;
+}
+
+static void xs_restore_old_callbacks(struct sock_xprt *transport, struct sock *sk)
+{
+        sk->sk_data_ready = transport->old_data_ready;
+        sk->sk_state_change = transport->old_state_change;
+        sk->sk_write_space = transport->old_write_space;
+        sk->sk_error_report = transport->old_error_report;
+}
+
 /**
  * xs_close - close a socket
  * @xprt: transport
@@ -763,9 +781,8 @@ static void xs_close(struct rpc_xprt *xprt)
         transport->sock = NULL;
 
         sk->sk_user_data = NULL;
-        sk->sk_data_ready = transport->old_data_ready;
-        sk->sk_state_change = transport->old_state_change;
-        sk->sk_write_space = transport->old_write_space;
+
+        xs_restore_old_callbacks(transport, sk);
         write_unlock_bh(&sk->sk_callback_lock);
 
         sk->sk_no_check = 0;
@@ -1178,6 +1195,28 @@ static void xs_tcp_state_change(struct sock *sk)
 }
 
 /**
+ * xs_tcp_error_report - callback mainly for catching RST events
+ * @sk: socket
+ */
+static void xs_tcp_error_report(struct sock *sk)
+{
+        struct rpc_xprt *xprt;
+
+        read_lock(&sk->sk_callback_lock);
+        if (sk->sk_err != ECONNRESET || sk->sk_state != TCP_ESTABLISHED)
+                goto out;
+        if (!(xprt = xprt_from_sock(sk)))
+                goto out;
+        dprintk("RPC:       %s client %p...\n"
+                        "RPC:       error %d\n",
+                        __func__, xprt, sk->sk_err);
+
+        xprt_force_disconnect(xprt);
+out:
+        read_unlock(&sk->sk_callback_lock);
+}
+
+/**
  * xs_udp_write_space - callback invoked when socket buffer space
  *                             becomes available
  * @sk: socket whose state has changed
@@ -1452,10 +1491,9 @@ static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 
                 write_lock_bh(&sk->sk_callback_lock);
 
+                xs_save_old_callbacks(transport, sk);
+
                 sk->sk_user_data = xprt;
-                transport->old_data_ready = sk->sk_data_ready;
-                transport->old_state_change = sk->sk_state_change;
-                transport->old_write_space = sk->sk_write_space;
                 sk->sk_data_ready = xs_udp_data_ready;
                 sk->sk_write_space = xs_udp_write_space;
                 sk->sk_no_check = UDP_CSUM_NORCV;
@@ -1587,13 +1625,13 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 
                 write_lock_bh(&sk->sk_callback_lock);
 
+                xs_save_old_callbacks(transport, sk);
+
                 sk->sk_user_data = xprt;
-                transport->old_data_ready = sk->sk_data_ready;
-                transport->old_state_change = sk->sk_state_change;
-                transport->old_write_space = sk->sk_write_space;
                 sk->sk_data_ready = xs_tcp_data_ready;
                 sk->sk_state_change = xs_tcp_state_change;
                 sk->sk_write_space = xs_tcp_write_space;
+                sk->sk_error_report = xs_tcp_error_report;
                 sk->sk_allocation = GFP_ATOMIC;
 
                 /* socket options */
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 80b13eea30e7..9d88c3df804a 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1251,6 +1251,8 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, struct flowi *fl,
                                  -EINVAL : -EAGAIN);
                         xfrm_state_put(x);
                 }
+                else if (error == -ESRCH)
+                        error = -EAGAIN;
 
                 if (!tmpl->optional)
                         goto fail;