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| author | Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 2007-03-31 11:55:19 -0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:28:29 -0700 |
| commit | 27d7ff46a3498d3debc6ba68fb8014c702b81170 (patch) | |
| tree | b5a0c617cf8339524d3b1f1633e08eae7b94cf86 /net/tipc/msg.h | |
| parent | 3dbad80ac7632f243b824d469301abb97ec634a1 (diff) | |
| download | lwn-27d7ff46a3498d3debc6ba68fb8014c702b81170.tar.gz lwn-27d7ff46a3498d3debc6ba68fb8014c702b81170.zip | |
[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>
Diffstat (limited to 'net/tipc/msg.h')
| -rw-r--r-- | net/tipc/msg.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/tipc/msg.h b/net/tipc/msg.h index 62d549063604..aec7ce7af875 100644 --- a/net/tipc/msg.h +++ b/net/tipc/msg.h @@ -786,15 +786,16 @@ static inline int msg_build(struct tipc_msg *hdr, *buf = buf_acquire(sz); if (!(*buf)) return -ENOMEM; - memcpy((*buf)->data, (unchar *)hdr, hsz); + skb_copy_to_linear_data(*buf, hdr, hsz); for (res = 1, cnt = 0; res && (cnt < num_sect); cnt++) { if (likely(usrmem)) res = !copy_from_user((*buf)->data + pos, msg_sect[cnt].iov_base, msg_sect[cnt].iov_len); else - memcpy((*buf)->data + pos, msg_sect[cnt].iov_base, - msg_sect[cnt].iov_len); + skb_copy_to_linear_data_offset(*buf, pos, + msg_sect[cnt].iov_base, + msg_sect[cnt].iov_len); pos += msg_sect[cnt].iov_len; } if (likely(res)) |