[SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}
To clearly state the intent of copying to linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
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committed by
David S. Miller
parent
3dbad80ac7
commit
27d7ff46a3
@@ -759,8 +759,9 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
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IEEE80211_FCTL_TODS) && skb->len >= ETH_HLEN + ETH_ALEN) {
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/* Non-standard frame: get addr4 from its bogus location after
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* the payload */
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memcpy(skb->data + ETH_ALEN,
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skb->data + skb->len - ETH_ALEN, ETH_ALEN);
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skb_copy_to_linear_data_offset(skb, ETH_ALEN,
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skb->data + skb->len - ETH_ALEN,
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ETH_ALEN);
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skb_trim(skb, skb->len - ETH_ALEN);
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}
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#endif
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