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[SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}

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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 <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-31 11:55:19 -03:00 • committed by David S. Miller
commit 27d7ff46a3
63 changed files with 185 additions and 127 deletions
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5
net/ieee80211/ieee80211_rx.c
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@ -759,8 +759,9 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
IEEE80211_FCTL_TODS) && skb->len >= ETH_HLEN + ETH_ALEN) {
/* Non-standard frame: get addr4 from its bogus location after
* the payload */
memcpy(skb->data + ETH_ALEN,
skb->data + skb->len - ETH_ALEN, ETH_ALEN);
skb_copy_to_linear_data_offset(skb, ETH_ALEN,
skb->data + skb->len - ETH_ALEN,
ETH_ALEN);
skb_trim(skb, skb->len - ETH_ALEN);
}
#endif