[NET]: Fix ___pskb_trim when entire frag_list needs dropping
When the trim point is within the head and there is no paged data, ___pskb_trim fails to drop the first element in the frag_list. This patch fixes this by moving the len <= offset case out of the page data loop. This patch also adds a missing kfree_skb on the frag that we just cloned. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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