1 files changed, 9 insertions, 14 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index bc745d00ea4d..5a087626bb3a 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -207,7 +207,7 @@ static struct lock_class_key af_callback_keys[AF_MAX];
  * not depend upon such differences.
  */
 #define _SK_MEM_PACKETS         256
-#define _SK_MEM_OVERHEAD        (sizeof(struct sk_buff) + 256)
+#define _SK_MEM_OVERHEAD        SKB_TRUESIZE(256)
 #define SK_WMEM_MAX             (_SK_MEM_OVERHEAD * _SK_MEM_PACKETS)
 #define SK_RMEM_MAX             (_SK_MEM_OVERHEAD * _SK_MEM_PACKETS)
 
@@ -387,7 +387,7 @@ struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie)
 
         if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) {
                 sk_tx_queue_clear(sk);
-                rcu_assign_pointer(sk->sk_dst_cache, NULL);
+                RCU_INIT_POINTER(sk->sk_dst_cache, NULL);
                 dst_release(dst);
                 return NULL;
         }
@@ -738,10 +738,7 @@ set_rcvbuf:
                 /* We implement the SO_SNDLOWAT etc to
                    not be settable (1003.1g 5.3) */
         case SO_RXQ_OVFL:
-                if (valbool)
-                        sock_set_flag(sk, SOCK_RXQ_OVFL);
-                else
-                        sock_reset_flag(sk, SOCK_RXQ_OVFL);
+                sock_valbool_flag(sk, SOCK_RXQ_OVFL, valbool);
                 break;
         default:
                 ret = -ENOPROTOOPT;
@@ -1158,7 +1155,7 @@ static void __sk_free(struct sock *sk)
                                        atomic_read(&sk->sk_wmem_alloc) == 0);
         if (filter) {
                 sk_filter_uncharge(sk, filter);
-                rcu_assign_pointer(sk->sk_filter, NULL);
+                RCU_INIT_POINTER(sk->sk_filter, NULL);
         }
 
         sock_disable_timestamp(sk, SOCK_TIMESTAMP);
@@ -1533,7 +1530,6 @@ struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
                                 skb_shinfo(skb)->nr_frags = npages;
                                 for (i = 0; i < npages; i++) {
                                         struct page *page;
-                                        skb_frag_t *frag;
 
                                         page = alloc_pages(sk->sk_allocation, 0);
                                         if (!page) {
@@ -1543,12 +1539,11 @@ struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
                                                 goto failure;
                                         }
 
-                                        frag = &skb_shinfo(skb)->frags[i];
-                                        frag->page = page;
-                                        frag->page_offset = 0;
-                                        frag->size = (data_len >= PAGE_SIZE ?
-                                                      PAGE_SIZE :
-                                                      data_len);
+                                        __skb_fill_page_desc(skb, i,
+                                                        page, 0,
+                                                        (data_len >= PAGE_SIZE ?
+                                                         PAGE_SIZE :
+                                                         data_len));
                                         data_len -= PAGE_SIZE;
                                 }