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| author | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2006-11-10 14:22:32 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-03 06:21:55 +0100 |
| commit | 9b42078ed6edfe04e9dc9a59b946ad912aeef717 (patch) | |
| tree | d3d20e17aa85e1bb16b99397f98f151d197b3177 /net/dccp/output.c | |
| parent | [DCCPv6]: Add a FIXME for missing IPV6_PKTOPTIONS (diff) | |
| download | linux-9b42078ed6edfe04e9dc9a59b946ad912aeef717.tar.xz linux-9b42078ed6edfe04e9dc9a59b946ad912aeef717.zip | |
[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/output.c')
| -rw-r--r-- | net/dccp/output.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/net/dccp/output.c b/net/dccp/output.c index 2cc4f4b2a9dd..1ae2248557c6 100644 --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -88,11 +88,9 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) return -EPROTO; } - skb->h.raw = skb_push(skb, dccp_header_size); - dh = dccp_hdr(skb); /* Build DCCP header and checksum it. */ - memset(dh, 0, dccp_header_size); + dh = dccp_zeroed_hdr(skb, dccp_header_size); dh->dccph_type = dcb->dccpd_type; dh->dccph_sport = inet->sport; dh->dccph_dport = inet->dport; @@ -340,10 +338,7 @@ struct sk_buff *dccp_make_response(struct sock *sk, struct dst_entry *dst, return NULL; } - skb->h.raw = skb_push(skb, dccp_header_size); - - dh = dccp_hdr(skb); - memset(dh, 0, dccp_header_size); + dh = dccp_zeroed_hdr(skb, dccp_header_size); dh->dccph_sport = inet_sk(sk)->sport; dh->dccph_dport = inet_rsk(req)->rmt_port; @@ -392,10 +387,7 @@ static struct sk_buff *dccp_make_reset(struct sock *sk, struct dst_entry *dst, return NULL; } - skb->h.raw = skb_push(skb, dccp_header_size); - - dh = dccp_hdr(skb); - memset(dh, 0, dccp_header_size); + dh = dccp_zeroed_hdr(skb, dccp_header_size); dh->dccph_sport = inet_sk(sk)->sport; dh->dccph_dport = inet_sk(sk)->dport; |