net: Move skbuff symbol exports after each symbol's definition.

net/core/skbuff.c is a hodge-podge of symbol export placement.
Some of the exports are right after the definition of the
symbol being exported, others are clumped together into a big
group at the end of the file.

Make things consistent.

Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/skbuff.c

@@ -123,6 +123,7 @@ void skb_over_panic(struct sk_buff *skb, int sz, void *here)
 	       skb->dev ? skb->dev->name : "<NULL>");
 	BUG();
 }
+EXPORT_SYMBOL(skb_over_panic);
 
 /**
  *	skb_under_panic	- 	private function
@@ -142,6 +143,7 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
 	       skb->dev ? skb->dev->name : "<NULL>");
 	BUG();
 }
+EXPORT_SYMBOL(skb_under_panic);
 
 void skb_truesize_bug(struct sk_buff *skb)
 {
@@ -231,6 +233,7 @@ nodata:
 	skb = NULL;
 	goto out;
 }
+EXPORT_SYMBOL(__alloc_skb);
 
 /**
  *	__netdev_alloc_skb - allocate an skbuff for rx on a specific device
@@ -258,6 +261,7 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
 	}
 	return skb;
 }
+EXPORT_SYMBOL(__netdev_alloc_skb);
 
 struct page *__netdev_alloc_page(struct net_device *dev, gfp_t gfp_mask)
 {
@@ -426,6 +430,7 @@ void __kfree_skb(struct sk_buff *skb)
 	skb_release_all(skb);
 	kfree_skbmem(skb);
 }
+EXPORT_SYMBOL(__kfree_skb);
 
 /**
  *	kfree_skb - free an sk_buff
@@ -444,6 +449,7 @@ void kfree_skb(struct sk_buff *skb)
 		return;
 	__kfree_skb(skb);
 }
+EXPORT_SYMBOL(kfree_skb);
 
 /**
  *	skb_recycle_check - check if skb can be reused for receive
@@ -613,6 +619,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
 
 	return __skb_clone(n, skb);
 }
+EXPORT_SYMBOL(skb_clone);
 
 static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 {
@@ -679,7 +686,7 @@ struct sk_buff *skb_copy(const struct sk_buff *skb, gfp_t gfp_mask)
 	copy_skb_header(n, skb);
 	return n;
 }
-
+EXPORT_SYMBOL(skb_copy);
 
 /**
  *	pskb_copy	-	create copy of an sk_buff with private head.
@@ -738,6 +745,7 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
 out:
 	return n;
 }
+EXPORT_SYMBOL(pskb_copy);
 
 /**
  *	pskb_expand_head - reallocate header of &sk_buff
@@ -821,6 +829,7 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
 nodata:
 	return -ENOMEM;
 }
+EXPORT_SYMBOL(pskb_expand_head);
 
 /* Make private copy of skb with writable head and some headroom */
 
@@ -841,7 +850,7 @@ struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, unsigned int headroom)
 	}
 	return skb2;
 }
-
+EXPORT_SYMBOL(skb_realloc_headroom);
 
 /**
  *	skb_copy_expand	-	copy and expand sk_buff
@@ -906,6 +915,7 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
 
 	return n;
 }
+EXPORT_SYMBOL(skb_copy_expand);
 
 /**
  *	skb_pad			-	zero pad the tail of an skb
@@ -951,6 +961,7 @@ free_skb:
 	kfree_skb(skb);
 	return err;
 }
+EXPORT_SYMBOL(skb_pad);
 
 /**
  *	skb_put - add data to a buffer
@@ -1108,6 +1119,7 @@ done:
 
 	return 0;
 }
+EXPORT_SYMBOL(___pskb_trim);
 
 /**
  *	__pskb_pull_tail - advance tail of skb header
@@ -1246,6 +1258,7 @@ pull_pages:
 
 	return skb_tail_pointer(skb);
 }
+EXPORT_SYMBOL(__pskb_pull_tail);
 
 /* Copy some data bits from skb to kernel buffer. */
 
@@ -1323,6 +1336,7 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
 fault:
 	return -EFAULT;
 }
+EXPORT_SYMBOL(skb_copy_bits);
 
 /*
  * Callback from splice_to_pipe(), if we need to release some pages
@@ -1623,7 +1637,6 @@ int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len)
 fault:
 	return -EFAULT;
 }
-
 EXPORT_SYMBOL(skb_store_bits);
 
 /* Checksum skb data. */
@@ -1700,6 +1713,7 @@ __wsum skb_checksum(const struct sk_buff *skb, int offset,
 
 	return csum;
 }
+EXPORT_SYMBOL(skb_checksum);
 
 /* Both of above in one bottle. */
 
@@ -1781,6 +1795,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
 	BUG_ON(len);
 	return csum;
 }
+EXPORT_SYMBOL(skb_copy_and_csum_bits);
 
 void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
 {
@@ -1807,6 +1822,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
 		*((__sum16 *)(to + csstuff)) = csum_fold(csum);
 	}
 }
+EXPORT_SYMBOL(skb_copy_and_csum_dev);
 
 /**
  *	skb_dequeue - remove from the head of the queue
@@ -1827,6 +1843,7 @@ struct sk_buff *skb_dequeue(struct sk_buff_head *list)
 	spin_unlock_irqrestore(&list->lock, flags);
 	return result;
 }
+EXPORT_SYMBOL(skb_dequeue);
 
 /**
  *	skb_dequeue_tail - remove from the tail of the queue
@@ -1846,6 +1863,7 @@ struct sk_buff *skb_dequeue_tail(struct sk_buff_head *list)
 	spin_unlock_irqrestore(&list->lock, flags);
 	return result;
 }
+EXPORT_SYMBOL(skb_dequeue_tail);
 
 /**
  *	skb_queue_purge - empty a list
@@ -1861,6 +1879,7 @@ void skb_queue_purge(struct sk_buff_head *list)
 	while ((skb = skb_dequeue(list)) != NULL)
 		kfree_skb(skb);
 }
+EXPORT_SYMBOL(skb_queue_purge);
 
 /**
  *	skb_queue_head - queue a buffer at the list head
@@ -1881,6 +1900,7 @@ void skb_queue_head(struct sk_buff_head *list, struct sk_buff *newsk)
 	__skb_queue_head(list, newsk);
 	spin_unlock_irqrestore(&list->lock, flags);
 }
+EXPORT_SYMBOL(skb_queue_head);
 
 /**
  *	skb_queue_tail - queue a buffer at the list tail
@@ -1901,6 +1921,7 @@ void skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk)
 	__skb_queue_tail(list, newsk);
 	spin_unlock_irqrestore(&list->lock, flags);
 }
+EXPORT_SYMBOL(skb_queue_tail);
 
 /**
  *	skb_unlink	-	remove a buffer from a list
@@ -1920,6 +1941,7 @@ void skb_unlink(struct sk_buff *skb, struct sk_buff_head *list)
 	__skb_unlink(skb, list);
 	spin_unlock_irqrestore(&list->lock, flags);
 }
+EXPORT_SYMBOL(skb_unlink);
 
 /**
  *	skb_append	-	append a buffer
@@ -1939,7 +1961,7 @@ void skb_append(struct sk_buff *old, struct sk_buff *newsk, struct sk_buff_head
 	__skb_queue_after(list, old, newsk);
 	spin_unlock_irqrestore(&list->lock, flags);
 }
-
+EXPORT_SYMBOL(skb_append);
 
 /**
  *	skb_insert	-	insert a buffer
@@ -1961,6 +1983,7 @@ void skb_insert(struct sk_buff *old, struct sk_buff *newsk, struct sk_buff_head
 	__skb_insert(newsk, old->prev, old, list);
 	spin_unlock_irqrestore(&list->lock, flags);
 }
+EXPORT_SYMBOL(skb_insert);
 
 static inline void skb_split_inside_header(struct sk_buff *skb,
 					   struct sk_buff* skb1,
@@ -2039,6 +2062,7 @@ void skb_split(struct sk_buff *skb, struct sk_buff *skb1, const u32 len)
 	else		/* Second chunk has no header, nothing to copy. */
 		skb_split_no_header(skb, skb1, len, pos);
 }
+EXPORT_SYMBOL(skb_split);
 
 /* Shifting from/to a cloned skb is a no-go.
  *
@@ -2201,6 +2225,7 @@ void skb_prepare_seq_read(struct sk_buff *skb, unsigned int from,
 	st->frag_idx = st->stepped_offset = 0;
 	st->frag_data = NULL;
 }
+EXPORT_SYMBOL(skb_prepare_seq_read);
 
 /**
  * skb_seq_read - Sequentially read skb data
@@ -2288,6 +2313,7 @@ next_skb:
 
 	return 0;
 }
+EXPORT_SYMBOL(skb_seq_read);
 
 /**
  * skb_abort_seq_read - Abort a sequential read of skb data
@@ -2301,6 +2327,7 @@ void skb_abort_seq_read(struct skb_seq_state *st)
 	if (st->frag_data)
 		kunmap_skb_frag(st->frag_data);
 }
+EXPORT_SYMBOL(skb_abort_seq_read);
 
 #define TS_SKB_CB(state)	((struct skb_seq_state *) &((state)->cb))
 
@@ -2343,6 +2370,7 @@ unsigned int skb_find_text(struct sk_buff *skb, unsigned int from,
 	ret = textsearch_find(config, state);
 	return (ret <= to - from ? ret : UINT_MAX);
 }
+EXPORT_SYMBOL(skb_find_text);
 
 /**
  * skb_append_datato_frags: - append the user data to a skb
@@ -2415,6 +2443,7 @@ int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
 
 	return 0;
 }
+EXPORT_SYMBOL(skb_append_datato_frags);
 
 /**
  *	skb_pull_rcsum - pull skb and update receive checksum
@@ -2602,7 +2631,6 @@ err:
 	}
 	return ERR_PTR(err);
 }
-
 EXPORT_SYMBOL_GPL(skb_segment);
 
 int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
@@ -2800,6 +2828,7 @@ int skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int le
 
 	return nsg;
 }
+EXPORT_SYMBOL_GPL(skb_to_sgvec);
 
 /**
  *	skb_cow_data - Check that a socket buffer's data buffers are writable
@@ -2909,6 +2938,7 @@ int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer)
 
 	return elt;
 }
+EXPORT_SYMBOL_GPL(skb_cow_data);
 
 /**
  * skb_partial_csum_set - set up and verify partial csum values for packet
@@ -2937,6 +2967,7 @@ bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off)
 	skb->csum_offset = off;
 	return true;
 }
+EXPORT_SYMBOL_GPL(skb_partial_csum_set);
 
 void __skb_warn_lro_forwarding(const struct sk_buff *skb)
 {
@@ -2944,42 +2975,4 @@ void __skb_warn_lro_forwarding(const struct sk_buff *skb)
 		pr_warning("%s: received packets cannot be forwarded"
 			   " while LRO is enabled\n", skb->dev->name);
 }
-
-EXPORT_SYMBOL(___pskb_trim);
-EXPORT_SYMBOL(__kfree_skb);
-EXPORT_SYMBOL(kfree_skb);
-EXPORT_SYMBOL(__pskb_pull_tail);
-EXPORT_SYMBOL(__alloc_skb);
-EXPORT_SYMBOL(__netdev_alloc_skb);
-EXPORT_SYMBOL(pskb_copy);
-EXPORT_SYMBOL(pskb_expand_head);
-EXPORT_SYMBOL(skb_checksum);
-EXPORT_SYMBOL(skb_clone);
-EXPORT_SYMBOL(skb_copy);
-EXPORT_SYMBOL(skb_copy_and_csum_bits);
-EXPORT_SYMBOL(skb_copy_and_csum_dev);
-EXPORT_SYMBOL(skb_copy_bits);
-EXPORT_SYMBOL(skb_copy_expand);
-EXPORT_SYMBOL(skb_over_panic);
-EXPORT_SYMBOL(skb_pad);
-EXPORT_SYMBOL(skb_realloc_headroom);
-EXPORT_SYMBOL(skb_under_panic);
-EXPORT_SYMBOL(skb_dequeue);
-EXPORT_SYMBOL(skb_dequeue_tail);
-EXPORT_SYMBOL(skb_insert);
-EXPORT_SYMBOL(skb_queue_purge);
-EXPORT_SYMBOL(skb_queue_head);
-EXPORT_SYMBOL(skb_queue_tail);
-EXPORT_SYMBOL(skb_unlink);
-EXPORT_SYMBOL(skb_append);
-EXPORT_SYMBOL(skb_split);
-EXPORT_SYMBOL(skb_prepare_seq_read);
-EXPORT_SYMBOL(skb_seq_read);
-EXPORT_SYMBOL(skb_abort_seq_read);
-EXPORT_SYMBOL(skb_find_text);
-EXPORT_SYMBOL(skb_append_datato_frags);
 EXPORT_SYMBOL(__skb_warn_lro_forwarding);
-
-EXPORT_SYMBOL_GPL(skb_to_sgvec);
-EXPORT_SYMBOL_GPL(skb_cow_data);
-EXPORT_SYMBOL_GPL(skb_partial_csum_set);