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SubjectRe: TCP bug?
> skb_unshare is a copy on write for multiple users. So 99.99% of the time it
> actually just returns skb.

OK. Because it can happen that I need to copy the skb for another
reason (too little space for additional headers) I can just do
something like

if (skb_cloned(skb) || toosmall(skb)) {
skn = skb_copy(skb, GFP_KERNEL);
/* etc */

and this would be safe? Nice to know. :-)


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