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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 <acme@ghostprotocols.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-03-31 11:55:19 -03:00
committed by David S. Miller
parent 3dbad80ac7
commit 27d7ff46a3
63 changed files with 185 additions and 127 deletions
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8
net/tipc/port.c
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@@ -464,7 +464,7 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
msg_set_size(rmsg, data_sz + hdr_sz);
msg_set_nametype(rmsg, msg_nametype(msg));
msg_set_nameinst(rmsg, msg_nameinst(msg));
memcpy(rbuf->data + hdr_sz, msg_data(msg), data_sz);
skb_copy_to_linear_data_offset(rbuf, hdr_sz, msg_data(msg), data_sz);
/* send self-abort message when rejecting on a connected port */
if (msg_connected(msg)) {
@@ -1419,7 +1419,7 @@ int tipc_send_buf(u32 ref, struct sk_buff *buf, unsigned int dsz)
return -ENOMEM;
skb_push(buf, hsz);
memcpy(buf->data, (unchar *)msg, hsz);
skb_copy_to_linear_data(buf, msg, hsz);
destnode = msg_destnode(msg);
p_ptr->publ.congested = 1;
if (!tipc_port_congested(p_ptr)) {
@@ -1555,7 +1555,7 @@ int tipc_forward_buf2name(u32 ref,
if (skb_cow(buf, LONG_H_SIZE))
return -ENOMEM;
skb_push(buf, LONG_H_SIZE);
memcpy(buf->data, (unchar *)msg, LONG_H_SIZE);
skb_copy_to_linear_data(buf, msg, LONG_H_SIZE);
msg_dbg(buf_msg(buf),"PREP:");
if (likely(destport || destnode)) {
p_ptr->sent++;
@@ -1679,7 +1679,7 @@ int tipc_forward_buf2port(u32 ref,
return -ENOMEM;
skb_push(buf, DIR_MSG_H_SIZE);
memcpy(buf->data, (unchar *)msg, DIR_MSG_H_SIZE);
skb_copy_to_linear_data(buf, msg, DIR_MSG_H_SIZE);
msg_dbg(msg, "buf2port: ");
p_ptr->sent++;
if (dest->node == tipc_own_addr)