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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/br2684.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/br2684.c')
-rw-r--r--net/atm/br2684.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index b04162f10d8..83a1c1b1d6c 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -23,7 +23,6 @@ Author: Marcell GAL, 2000, XDSL Ltd, Hungary
#include <linux/atmbr2684.h>
#include "common.h"
-#include "ipcommon.h"
/*
* Define this to use a version of the code which interacts with the higher
@@ -500,11 +499,12 @@ Note: we do not have explicit unassign, but look at _push()
*/
int err;
struct br2684_vcc *brvcc;
- struct sk_buff_head copy;
struct sk_buff *skb;
+ struct sk_buff_head *rq;
struct br2684_dev *brdev;
struct net_device *net_dev;
struct atm_backend_br2684 be;
+ unsigned long flags;
if (copy_from_user(&be, arg, sizeof be))
return -EFAULT;
@@ -554,12 +554,30 @@ Note: we do not have explicit unassign, but look at _push()
brvcc->old_push = atmvcc->push;
barrier();
atmvcc->push = br2684_push;
- skb_queue_head_init(&copy);
- skb_migrate(&sk_atm(atmvcc)->sk_receive_queue, &copy);
- while ((skb = skb_dequeue(&copy)) != NULL) {
+
+ rq = &sk_atm(atmvcc)->sk_receive_queue;
+
+ spin_lock_irqsave(&rq->lock, flags);
+ if (skb_queue_empty(rq)) {
+ skb = NULL;
+ } else {
+ /* NULL terminate the list. */
+ rq->prev->next = NULL;
+ skb = rq->next;
+ }
+ rq->prev = rq->next = (struct sk_buff *)rq;
+ rq->qlen = 0;
+ spin_unlock_irqrestore(&rq->lock, flags);
+
+ while (skb) {
+ struct sk_buff *next = skb->next;
+
+ skb->next = skb->prev = NULL;
BRPRIV(skb->dev)->stats.rx_bytes -= skb->len;
BRPRIV(skb->dev)->stats.rx_packets--;
br2684_push(atmvcc, skb);
+
+ skb = next;
}
__module_get(THIS_MODULE);
return 0;