diff options
| author | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2006-11-10 16:22:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-03 08:21:55 +0300 |
| commit | 9b42078ed6edfe04e9dc9a59b946ad912aeef717 (patch) | |
| tree | d3d20e17aa85e1bb16b99397f98f151d197b3177 /net/dccp/ipv4.c | |
| parent | 89e7e57778ecd8744fee97491300f05a9fb1388a (diff) | |
| download | linux-9b42078ed6edfe04e9dc9a59b946ad912aeef717.tar.xz | |
[DCCP]: Combine allocating & zeroing header space on skb
This is a code simplification:
it combines three often recurring operations into one inline function,
* allocate `len' bytes header space in skb
* fill these `len' bytes with zeroes
* cast the start of this header space as dccp_hdr
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'net/dccp/ipv4.c')
| -rw-r--r-- | net/dccp/ipv4.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index de64e6c7f93d..ce8eed32dbeb 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -212,12 +212,9 @@ static void dccp_v4_reqsk_send_ack(struct sk_buff *rxskb, /* Reserve space for headers. */ skb_reserve(skb, dccp_v4_ctl_socket->sk->sk_prot->max_header); - skb->dst = dst_clone(rxskb->dst); - skb->h.raw = skb_push(skb, dccp_hdr_ack_len); - dh = dccp_hdr(skb); - memset(dh, 0, dccp_hdr_ack_len); + dh = dccp_zeroed_hdr(skb, dccp_hdr_ack_len); /* Build DCCP header and checksum it. */ dh->dccph_type = DCCP_PKT_ACK; @@ -720,9 +717,7 @@ static void dccp_v4_ctl_send_reset(struct sk_buff *rxskb) skb_reserve(skb, dccp_v4_ctl_socket->sk->sk_prot->max_header); skb->dst = dst_clone(dst); - skb->h.raw = skb_push(skb, dccp_hdr_reset_len); - dh = dccp_hdr(skb); - memset(dh, 0, dccp_hdr_reset_len); + dh = dccp_zeroed_hdr(skb, dccp_hdr_reset_len); /* Build DCCP header and checksum it. */ dh->dccph_type = DCCP_PKT_RESET; |