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Diffstat (limited to 'net/atm/clip.c')
-rw-r--r--net/atm/clip.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 7af2c411da8..5f8a1d22272 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -38,7 +38,6 @@
#include "common.h"
#include "resources.h"
-#include "ipcommon.h"
#include <net/atmclip.h>
@@ -54,7 +53,7 @@ static struct atm_vcc *atmarpd;
static struct neigh_table clip_tbl;
static struct timer_list idle_timer;
-static int to_atmarpd(enum atmarp_ctrl_type type, int itf, unsigned long ip)
+static int to_atmarpd(enum atmarp_ctrl_type type, int itf, __be32 ip)
{
struct sock *sk;
struct atmarp_ctrl *ctrl;
@@ -220,7 +219,7 @@ static void clip_push(struct atm_vcc *vcc, struct sk_buff *skb)
|| memcmp(skb->data, llc_oui, sizeof (llc_oui)))
skb->protocol = htons(ETH_P_IP);
else {
- skb->protocol = ((u16 *) skb->data)[3];
+ skb->protocol = ((__be16 *) skb->data)[3];
skb_pull(skb, RFC1483LLC_LEN);
if (skb->protocol == htons(ETH_P_ARP)) {
PRIV(skb->dev)->stats.rx_packets++;
@@ -430,7 +429,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
here = skb_push(skb, RFC1483LLC_LEN);
memcpy(here, llc_oui, sizeof(llc_oui));
- ((u16 *) here)[3] = skb->protocol;
+ ((__be16 *) here)[3] = skb->protocol;
}
atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
ATM_SKB(skb)->atm_options = vcc->atm_options;
@@ -469,8 +468,9 @@ static struct net_device_stats *clip_get_stats(struct net_device *dev)
static int clip_mkip(struct atm_vcc *vcc, int timeout)
{
struct clip_vcc *clip_vcc;
- struct sk_buff_head copy;
struct sk_buff *skb;
+ struct sk_buff_head *rq;
+ unsigned long flags;
if (!vcc->push)
return -EBADFD;
@@ -490,10 +490,26 @@ static int clip_mkip(struct atm_vcc *vcc, int timeout)
clip_vcc->old_pop = vcc->pop;
vcc->push = clip_push;
vcc->pop = clip_pop;
- skb_queue_head_init(&copy);
- skb_migrate(&sk_atm(vcc)->sk_receive_queue, &copy);
+
+ rq = &sk_atm(vcc)->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);
+
/* re-process everything received between connection setup and MKIP */
- while ((skb = skb_dequeue(&copy)) != NULL)
+ while (skb) {
+ struct sk_buff *next = skb->next;
+
+ skb->next = skb->prev = NULL;
if (!clip_devs) {
atm_return(vcc, skb->truesize);
kfree_skb(skb);
@@ -506,10 +522,13 @@ static int clip_mkip(struct atm_vcc *vcc, int timeout)
PRIV(skb->dev)->stats.rx_bytes -= len;
kfree_skb(skb);
}
+
+ skb = next;
+ }
return 0;
}
-static int clip_setentry(struct atm_vcc *vcc, u32 ip)
+static int clip_setentry(struct atm_vcc *vcc, __be32 ip)
{
struct neighbour *neigh;
struct atmarp_entry *entry;
@@ -752,7 +771,7 @@ static int clip_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
err = clip_mkip(vcc, arg);
break;
case ATMARP_SETENTRY:
- err = clip_setentry(vcc, arg);
+ err = clip_setentry(vcc, (__force __be32)arg);
break;
case ATMARP_ENCAP:
err = clip_encap(vcc, arg);