1 files changed, 11 insertions, 30 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index dc42b44c2aa1..06c5259aff30 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -166,7 +166,7 @@ struct sock_common {
   *     @sk_err: last error
   *     @sk_err_soft: errors that don't cause failure but are the cause of a
   *                   persistent failure not just 'timed out'
-  *     @sk_drops: raw drops counter
+  *     @sk_drops: raw/udp drops counter
   *     @sk_ack_backlog: current listen backlog
   *     @sk_max_ack_backlog: listen backlog set in listen()
   *     @sk_priority: %SO_PRIORITY setting
@@ -524,7 +524,7 @@ struct proto {
         int                     (*ioctl)(struct sock *sk, int cmd,
                                          unsigned long arg);
         int                     (*init)(struct sock *sk);
-        int                     (*destroy)(struct sock *sk);
+        void                    (*destroy)(struct sock *sk);
         void                    (*shutdown)(struct sock *sk, int how);
         int                     (*setsockopt)(struct sock *sk, int level, 
                                         int optname, char __user *optval,
@@ -565,7 +565,7 @@ struct proto {
 #endif
 
         /* Memory pressure */
-        void                    (*enter_memory_pressure)(void);
+        void                    (*enter_memory_pressure)(struct sock *sk);
         atomic_t                *memory_allocated;      /* Current allocated memory. */
         atomic_t                *sockets_allocated;     /* Current number of sockets. */
         /*
@@ -990,6 +990,11 @@ static inline void sock_put(struct sock *sk)
 extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb,
                           const int nested);
 
+static inline void sk_set_socket(struct sock *sk, struct socket *sock)
+{
+        sk->sk_socket = sock;
+}
+
 /* Detach socket from process context.
  * Announce socket dead, detach it from wait queue and inode.
  * Note that parent inode held reference count on this struct sock,
@@ -1001,7 +1006,7 @@ static inline void sock_orphan(struct sock *sk)
 {
         write_lock_bh(&sk->sk_callback_lock);
         sock_set_flag(sk, SOCK_DEAD);
-        sk->sk_socket = NULL;
+        sk_set_socket(sk, NULL);
         sk->sk_sleep  = NULL;
         write_unlock_bh(&sk->sk_callback_lock);
 }
@@ -1011,7 +1016,7 @@ static inline void sock_graft(struct sock *sk, struct socket *parent)
         write_lock_bh(&sk->sk_callback_lock);
         sk->sk_sleep = &parent->wait;
         parent->sk = sk;
-        sk->sk_socket = parent;
+        sk_set_socket(sk, parent);
         security_sock_graft(sk, parent);
         write_unlock_bh(&sk->sk_callback_lock);
 }
@@ -1205,7 +1210,7 @@ static inline struct page *sk_stream_alloc_page(struct sock *sk)
 
         page = alloc_pages(sk->sk_allocation, 0);
         if (!page) {
-                sk->sk_prot->enter_memory_pressure();
+                sk->sk_prot->enter_memory_pressure(sk);
                 sk_stream_moderate_sndbuf(sk);
         }
         return page;
@@ -1331,30 +1336,6 @@ extern int net_msg_warn;
 #define LIMIT_NETDEBUG(fmt, args...) \
         do { if (net_msg_warn && net_ratelimit()) printk(fmt,##args); } while(0)
 
-/*
- * Macros for sleeping on a socket. Use them like this:
- *
- * SOCK_SLEEP_PRE(sk)
- * if (condition)
- *      schedule();
- * SOCK_SLEEP_POST(sk)
- *
- * N.B. These are now obsolete and were, afaik, only ever used in DECnet
- * and when the last use of them in DECnet has gone, I'm intending to
- * remove them.
- */
-
-#define SOCK_SLEEP_PRE(sk)      { struct task_struct *tsk = current; \
-                                DECLARE_WAITQUEUE(wait, tsk); \
-                                tsk->state = TASK_INTERRUPTIBLE; \
-                                add_wait_queue((sk)->sk_sleep, &wait); \
-                                release_sock(sk);
-
-#define SOCK_SLEEP_POST(sk)     tsk->state = TASK_RUNNING; \
-                                remove_wait_queue((sk)->sk_sleep, &wait); \
-                                lock_sock(sk); \
-                                }
-
 extern __u32 sysctl_wmem_max;
 extern __u32 sysctl_rmem_max;