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[NET]: Kill skb->list

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Remove the "list" member of struct sk_buff, as it is entirely
redundant.  All SKB list removal callers know which list the
SKB is on, so storing this in sk_buff does nothing other than
taking up some space.

Two tricky bits were SCTP, which I took care of, and two ATM
drivers which Francois Romieu <[email protected]> fixed
up.

Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Francois Romieu <[email protected]>
This commit is contained in:
David S. Miller 2005-08-09 19:25:21 -07:00 • committed by David S. Miller
commit 8728b834b2
29 changed files with 229 additions and 283 deletions
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2
net/llc/af_llc.c
View file

@ -714,7 +714,7 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock,
if (uaddr)
memcpy(uaddr, llc_ui_skb_cb(skb), sizeof(*uaddr));
msg->msg_namelen = sizeof(*uaddr);
if (!skb->list) {
if (!skb->next) {
dgram_free:
kfree_skb(skb);
}

6
net/llc/llc_conn.c
View file

@ -71,7 +71,11 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)
if (!ev->ind_prim && !ev->cfm_prim) {
/* indicate or confirm not required */
if (!skb->list)
/* XXX this is not very pretty, perhaps we should store
* XXX indicate/confirm-needed state in the llc_conn_state_ev
* XXX control block of the SKB instead? -DaveM
*/
if (!skb->next)
goto out_kfree_skb;
goto out_skb_put;
}