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unix/garbage: kill copy of the skb queue walker 

Worse yet, it seems that its arguments were in reverse order. Also
remove one related helper which seems hardly worth keeping.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen 2010-05-03 03:22:18 +00:00 committed by David S. Miller
parent 26d27844df
commit a2f3be17c0
1 changed files with 2 additions and 11 deletions
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13
net/unix/garbage.c
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@ -153,15 +153,6 @@ void unix_notinflight(struct file *fp)
}
}
static inline struct sk_buff *sock_queue_head(struct sock *sk)
{
return (struct sk_buff *)&sk->sk_receive_queue;
}
#define receive_queue_for_each_skb(sk, next, skb) \
for (skb = sock_queue_head(sk)->next, next = skb->next; \
skb != sock_queue_head(sk); skb = next, next = skb->next)
static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *),
struct sk_buff_head *hitlist)
{
@ -169,7 +160,7 @@ static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *),
struct sk_buff *next;
spin_lock(&x->sk_receive_queue.lock);
receive_queue_for_each_skb(x, next, skb) {
skb_queue_walk_safe(&x->sk_receive_queue, skb, next) {
/*
* Do we have file descriptors ?
*/
@ -225,7 +216,7 @@ static void scan_children(struct sock *x, void (*func)(struct unix_sock *),
* and perform a scan on them as well.
*/
spin_lock(&x->sk_receive_queue.lock);
receive_queue_for_each_skb(x, next, skb) {
skb_queue_walk_safe(&x->sk_receive_queue, skb, next) {
u = unix_sk(skb->sk);
/*