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[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

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To clearly state the intent of copying from 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@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-03-27 18:55:52 -03:00
committed by David S. Miller
parent 2a123b86e2
commit d626f62b11
133 changed files with 321 additions and 230 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/bluetooth/bnep/core.c
View File

@@ -382,7 +382,7 @@ static inline int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb)
break;
}
memcpy(__skb_put(nskb, skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb, __skb_put(nskb, skb->len), skb->len);
kfree_skb(skb);
s->stats.rx_packets++;

4
net/bluetooth/cmtp/core.c
View File

@@ -124,7 +124,7 @@ static inline void cmtp_add_msgpart(struct cmtp_session *session, int id, const
}
if (skb && (skb->len > 0))
memcpy(skb_put(nskb, skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(nskb, skb->len), skb->len);
memcpy(skb_put(nskb, count), buf, count);
@@ -256,7 +256,7 @@ static void cmtp_process_transmit(struct cmtp_session *session)
hdr[2] = size >> 8;
}
memcpy(skb_put(nskb, size), skb->data, size);
skb_copy_from_linear_data(skb, skb_put(nskb, size), size);
skb_pull(skb, size);
if (skb->len > 0) {

6
net/bluetooth/l2cap.c
View File

@@ -2107,7 +2107,8 @@ static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 fl
if (!(conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC)))
goto drop;
memcpy(skb_put(conn->rx_skb, skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
skb->len);
conn->rx_len = len - skb->len;
} else {
BT_DBG("Cont: frag len %d (expecting %d)", skb->len, conn->rx_len);
@@ -2128,7 +2129,8 @@ static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 fl
goto drop;
}
memcpy(skb_put(conn->rx_skb, skb->len), skb->data, skb->len);
skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
skb->len);
conn->rx_len -= skb->len;
if (!conn->rx_len) {