net: add skb frag size accessors

[linux-2.6-block.git] / net / core / datagram.c

diff --git a/net/core/datagram.c b/net/core/datagram.c
index 6449bed457d4293ce7af185f5f745d2f78ec052b..68bbf9f65cb08fac1ffc5a81cb6d69e76d631fae 100644 (file)
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -324,14 +324,14 @@ int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset,
        /* Copy paged appendix. Hmm... why does this look so complicated? */
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                int end;
+               const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
                WARN_ON(start > offset + len);
 
-               end = start + skb_shinfo(skb)->frags[i].size;
+               end = start + skb_frag_size(frag);
                if ((copy = end - offset) > 0) {
                        int err;
                        u8  *vaddr;
-                       skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
                        struct page *page = skb_frag_page(frag);
 
                        if (copy > len)
@@ -410,14 +410,14 @@ int skb_copy_datagram_const_iovec(const struct sk_buff *skb, int offset,
        /* Copy paged appendix. Hmm... why does this look so complicated? */
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                int end;
+               const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
                WARN_ON(start > offset + len);
 
-               end = start + skb_shinfo(skb)->frags[i].size;
+               end = start + skb_frag_size(frag);
                if ((copy = end - offset) > 0) {
                        int err;
                        u8  *vaddr;
-                       skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
                        struct page *page = skb_frag_page(frag);
 
                        if (copy > len)
@@ -500,14 +500,14 @@ int skb_copy_datagram_from_iovec(struct sk_buff *skb, int offset,
        /* Copy paged appendix. Hmm... why does this look so complicated? */
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                int end;
+               const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
                WARN_ON(start > offset + len);
 
-               end = start + skb_shinfo(skb)->frags[i].size;
+               end = start + skb_frag_size(frag);
                if ((copy = end - offset) > 0) {
                        int err;
                        u8  *vaddr;
-                       skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
                        struct page *page = skb_frag_page(frag);
 
                        if (copy > len)
@@ -585,15 +585,15 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset,
 
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                int end;
+               const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
                WARN_ON(start > offset + len);
 
-               end = start + skb_shinfo(skb)->frags[i].size;
+               end = start + skb_frag_size(frag);
                if ((copy = end - offset) > 0) {
                        __wsum csum2;
                        int err = 0;
                        u8  *vaddr;
-                       skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
                        struct page *page = skb_frag_page(frag);
 
                        if (copy > len)