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[IPSEC] esp: Kill unnecessary block and indentation

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We used to keep sg on the stack which is why the extra block was useful.
We've long since stopped doing that so let's kill the block and save
some indentation.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2006-02-27 13:00:01 -08:00 committed by David S. Miller
parent de5f503cfb
commit 4bf05eceec
1 changed files with 50 additions and 51 deletions
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11
net/ipv4/esp4.c
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@ -150,6 +150,10 @@ static int esp_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struc
int elen = skb->len - sizeof(struct ip_esp_hdr) - esp->conf.ivlen - alen;
int nfrags;
int encap_len = 0;
u8 nexthdr[2];
struct scatterlist *sg;
u8 workbuf[60];
int padlen;
if (!pskb_may_pull(skb, sizeof(struct ip_esp_hdr)))
goto out;
@ -185,11 +189,7 @@ static int esp_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struc
if (esp->conf.ivlen)
crypto_cipher_set_iv(esp->conf.tfm, esph->enc_data, crypto_tfm_alg_ivsize(esp->conf.tfm));
{
u8 nexthdr[2];
struct scatterlist *sg = &esp->sgbuf[0];
u8 workbuf[60];
int padlen;
sg = &esp->sgbuf[0];
if (unlikely(nfrags > ESP_NUM_FAST_SG)) {
sg = kmalloc(sizeof(struct scatterlist)*nfrags, GFP_ATOMIC);
@ -238,7 +238,6 @@ static int esp_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struc
skb->nh.raw += encap_len + sizeof(struct ip_esp_hdr) + esp->conf.ivlen;
memcpy(skb->nh.raw, workbuf, iph->ihl*4);
skb->nh.iph->tot_len = htons(skb->len);
}
return 0;