[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>
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 94e2b8e..6ae036b 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -759,8 +759,9 @@
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