Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	drivers/infiniband/core/iwcm.c
	drivers/net/chelsio/cxgb2.c
	drivers/net/wireless/bcm43xx/bcm43xx_main.c
	drivers/net/wireless/prism54/islpci_eth.c
	drivers/usb/core/hub.h
	drivers/usb/input/hid-core.c
	net/core/netpoll.c

Fix up merge failures with Linus's head and fix new compilation failures.

Signed-Off-By: David Howells <dhowells@redhat.com>

1 files changed, 65 insertions, 4 deletions

diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index af7b2c986b1f..4a3889dd1943 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -305,6 +305,28 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
                         tw->tw_ipv6only = np->ipv6only;
                 }
 #endif
+
+#ifdef CONFIG_TCP_MD5SIG
+                /*
+                 * The timewait bucket does not have the key DB from the
+                 * sock structure. We just make a quick copy of the
+                 * md5 key being used (if indeed we are using one)
+                 * so the timewait ack generating code has the key.
+                 */
+                do {
+                        struct tcp_md5sig_key *key;
+                        memset(tcptw->tw_md5_key, 0, sizeof(tcptw->tw_md5_key));
+                        tcptw->tw_md5_keylen = 0;
+                        key = tp->af_specific->md5_lookup(sk, sk);
+                        if (key != NULL) {
+                                memcpy(&tcptw->tw_md5_key, key->key, key->keylen);
+                                tcptw->tw_md5_keylen = key->keylen;
+                                if (tcp_alloc_md5sig_pool() == NULL)
+                                        BUG();
+                        }
+                } while(0);
+#endif
+
                 /* Linkage updates. */
                 __inet_twsk_hashdance(tw, sk, &tcp_hashinfo);
 
@@ -328,14 +350,24 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
                  * socket up.  We've got bigger problems than
                  * non-graceful socket closings.
                  */
-                if (net_ratelimit())
-                        printk(KERN_INFO "TCP: time wait bucket table overflow\n");
+                LIMIT_NETDEBUG(KERN_INFO "TCP: time wait bucket table overflow\n");
         }
 
         tcp_update_metrics(sk);
         tcp_done(sk);
 }
 
+void tcp_twsk_destructor(struct sock *sk)
+{
+#ifdef CONFIG_TCP_MD5SIG
+        struct tcp_timewait_sock *twsk = tcp_twsk(sk);
+        if (twsk->tw_md5_keylen)
+                tcp_put_md5sig_pool();
+#endif
+}
+
+EXPORT_SYMBOL_GPL(tcp_twsk_destructor);
+
 /* This is not only more efficient than what we used to do, it eliminates
  * a lot of code duplication between IPv4/IPv6 SYN recv processing. -DaveM
  *
@@ -434,6 +466,11 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
                         newtp->rx_opt.ts_recent_stamp = 0;
                         newtp->tcp_header_len = sizeof(struct tcphdr);
                 }
+#ifdef CONFIG_TCP_MD5SIG
+                newtp->md5sig_info = NULL;      /*XXX*/
+                if (newtp->af_specific->md5_lookup(sk, newsk))
+                        newtp->tcp_header_len += TCPOLEN_MD5SIG_ALIGNED;
+#endif
                 if (skb->len >= TCP_MIN_RCVMSS+newtp->tcp_header_len)
                         newicsk->icsk_ack.last_seg_size = skb->len - newtp->tcp_header_len;
                 newtp->rx_opt.mss_clamp = req->mss;
@@ -454,7 +491,7 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
                            struct request_sock **prev)
 {
         struct tcphdr *th = skb->h.th;
-        u32 flg = tcp_flag_word(th) & (TCP_FLAG_RST|TCP_FLAG_SYN|TCP_FLAG_ACK);
+        __be32 flg = tcp_flag_word(th) & (TCP_FLAG_RST|TCP_FLAG_SYN|TCP_FLAG_ACK);
         int paws_reject = 0;
         struct tcp_options_received tmp_opt;
         struct sock *child;
@@ -616,6 +653,30 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
                                                                  req, NULL);
                 if (child == NULL)
                         goto listen_overflow;
+#ifdef CONFIG_TCP_MD5SIG
+                else {
+                        /* Copy over the MD5 key from the original socket */
+                        struct tcp_md5sig_key *key;
+                        struct tcp_sock *tp = tcp_sk(sk);
+                        key = tp->af_specific->md5_lookup(sk, child);
+                        if (key != NULL) {
+                                /*
+                                 * We're using one, so create a matching key on the
+                                 * newsk structure. If we fail to get memory then we
+                                 * end up not copying the key across. Shucks.
+                                 */
+                                char *newkey = kmemdup(key->key, key->keylen,
+                                                       GFP_ATOMIC);
+                                if (newkey) {
+                                        if (!tcp_alloc_md5sig_pool())
+                                                BUG();
+                                        tp->af_specific->md5_add(child, child,
+                                                                 newkey,
+                                                                 key->keylen);
+                                }
+                        }
+                }
+#endif
 
                 inet_csk_reqsk_queue_unlink(sk, req, prev);
                 inet_csk_reqsk_queue_removed(sk, req);
@@ -632,7 +693,7 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
         embryonic_reset:
                 NET_INC_STATS_BH(LINUX_MIB_EMBRYONICRSTS);
                 if (!(flg & TCP_FLAG_RST))
-                        req->rsk_ops->send_reset(skb);
+                        req->rsk_ops->send_reset(sk, skb);
 
                 inet_csk_reqsk_queue_drop(sk, req, prev);
                 return NULL;