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openwrt-xburst/target/linux/generic/patches-3.3/653-disable_netlink_trim.patch
florian c7d60bd0db [kernel/3.3] refresh generic patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32059 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-06-05 13:40:38 +00:00

29 lines
572 B
Diff

--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -854,25 +854,7 @@ void netlink_detachskb(struct sock *sk,
static struct sk_buff *netlink_trim(struct sk_buff *skb, gfp_t allocation)
{
- int delta;
-
skb_orphan(skb);
-
- delta = skb->end - skb->tail;
- if (delta * 2 < skb->truesize)
- return skb;
-
- if (skb_shared(skb)) {
- struct sk_buff *nskb = skb_clone(skb, allocation);
- if (!nskb)
- return skb;
- kfree_skb(skb);
- skb = nskb;
- }
-
- if (!pskb_expand_head(skb, 0, -delta, allocation))
- skb->truesize -= delta;
-
return skb;
}