void skb_release_data(struct sk_buff *skb)
{
if (!skb->cloned ||
atomic_dec_and_test(&(skb_shinfo(skb)->dataref))) {
if (skb_shinfo(skb)->nr_frags) {
int i;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
put_page(skb_shinfo(skb)->frags[i].page);
}
if (skb_shinfo(skb)->frag_list)
skb_drop_fraglist(skb);
#if defined(CONFIG_MIPS_BRCM)
/*
* If skb->retfreeq_data_prealloc is 1, that means the data buffer was pre-allocated
* by our network driver. (songw)
*/
/*MODIFY BY YINHENG FOR WMM FEATURE OF 3.12 WIFI DRIVER*/
if (skb->retfreeq_cb && (skb->retfreeq_flags & SKB_DATA_PREALLOC)) {
(*skb->retfreeq_cb)(skb->retfreeq_context, skb->head, FREE_DATA);
skb->retfreeq_flags &= ~SKB_DATA_PREALLOC;
}
else
#endif
kfree(skb->head);
}
}
static void skb_release_data(struct sk_buff *skb)
{
if (!skb->cloned ||
atomic_dec_and_test(&(skb_shinfo(skb)->dataref))) {
if (skb_shinfo(skb)->nr_frags) {
int i;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
put_page(skb_shinfo(skb)->frags[i].page);
}
if (skb_shinfo(skb)->frag_list)
skb_drop_fraglist(skb);
kfree(skb->head);
}
}
static void skb_release_data(struct sk_buff *skb)
{
if (!skb->cloned ||
!atomic_sub_return(skb->nohdr ? (1 << SKB_DATAREF_SHIFT) + 1 : 1,
&skb_shinfo(skb)->dataref)) {
if (skb_shinfo(skb)->nr_frags) {
int i;
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
put_page(skb_shinfo(skb)->frags[i].page);
}
if (skb_shinfo(skb)->frag_list)
skb_drop_fraglist(skb);
kfree(skb->head);
}
}
