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authorDavid S. Miller <davem@sunset.davemloft.net>2006-11-30 21:05:23 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:32:08 -0800
commitc40a27f48ceee648e9cfdda040b69e7010d9f82c (patch)
treedde14f99417f4ce5d2ac367aa09f5f4fca18a5b2 /net/atm/ipcommon.c
parent1e9b3d5339d2afd6348e8211f0db695b00261e17 (diff)
[ATM]: Kill ipcommon.[ch]
All that remained was skb_migrate() and that was overkill for what the two call sites were trying to do. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/atm/ipcommon.c')
-rw-r--r--net/atm/ipcommon.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/net/atm/ipcommon.c b/net/atm/ipcommon.c
deleted file mode 100644
index 1d3de42fada..00000000000
--- a/net/atm/ipcommon.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/* net/atm/ipcommon.c - Common items for all ways of doing IP over ATM */
-
-/* Written 1996-2000 by Werner Almesberger, EPFL LRC/ICA */
-
-
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/in.h>
-#include <linux/atmdev.h>
-#include <linux/atmclip.h>
-
-#include "common.h"
-#include "ipcommon.h"
-
-
-#if 0
-#define DPRINTK(format,args...) printk(KERN_DEBUG format,##args)
-#else
-#define DPRINTK(format,args...)
-#endif
-
-
-/*
- * skb_migrate appends the list at "from" to "to", emptying "from" in the
- * process. skb_migrate is atomic with respect to all other skb operations on
- * "from" and "to". Note that it locks both lists at the same time, so to deal
- * with the lock ordering, the locks are taken in address order.
- *
- * This function should live in skbuff.c or skbuff.h.
- */
-
-
-void skb_migrate(struct sk_buff_head *from, struct sk_buff_head *to)
-{
- unsigned long flags;
- struct sk_buff *skb_from = (struct sk_buff *) from;
- struct sk_buff *skb_to = (struct sk_buff *) to;
- struct sk_buff *prev;
-
- if ((unsigned long) from < (unsigned long) to) {
- spin_lock_irqsave(&from->lock, flags);
- spin_lock_nested(&to->lock, SINGLE_DEPTH_NESTING);
- } else {
- spin_lock_irqsave(&to->lock, flags);
- spin_lock_nested(&from->lock, SINGLE_DEPTH_NESTING);
- }
- prev = from->prev;
- from->next->prev = to->prev;
- prev->next = skb_to;
- to->prev->next = from->next;
- to->prev = from->prev;
- to->qlen += from->qlen;
- spin_unlock(&to->lock);
- from->prev = skb_from;
- from->next = skb_from;
- from->qlen = 0;
- spin_unlock_irqrestore(&from->lock, flags);
-}
-
-
-EXPORT_SYMBOL(skb_migrate);