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81573ea259
* Refreshed patches Compile-tested: ar71xx Run-tested: ar71xx Signed-off-by: Etienne Haarsma <bladeoner112@gmail.com>
28 lines
613 B
Diff
28 lines
613 B
Diff
--- a/net/netlink/af_netlink.c
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+++ b/net/netlink/af_netlink.c
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@@ -1234,24 +1234,7 @@ void netlink_detachskb(struct sock *sk,
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static struct sk_buff *netlink_trim(struct sk_buff *skb, gfp_t allocation)
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{
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- int delta;
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-
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WARN_ON(skb->sk != NULL);
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- delta = skb->end - skb->tail;
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- if (is_vmalloc_addr(skb->head) || delta * 2 < skb->truesize)
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- return skb;
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-
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- if (skb_shared(skb)) {
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- struct sk_buff *nskb = skb_clone(skb, allocation);
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- if (!nskb)
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- return skb;
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- consume_skb(skb);
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- skb = nskb;
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- }
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-
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- if (!pskb_expand_head(skb, 0, -delta, allocation))
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- skb->truesize -= delta;
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-
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return skb;
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}
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