diff options
Diffstat (limited to 'net/ipv4/ipcomp.c')
| -rw-r--r-- | net/ipv4/ipcomp.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index 3839b70..aa704b8 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -5,7 +5,7 @@ * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) + * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * Todo: @@ -48,7 +48,7 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb) u8 *start, *scratch; struct crypto_comp *tfm; int cpu; - + plen = skb->len; dlen = IPCOMP_SCRATCH_SIZE; start = skb->data; @@ -69,11 +69,11 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb) err = pskb_expand_head(skb, 0, dlen - plen, GFP_ATOMIC); if (err) goto out; - + skb->truesize += dlen - plen; __skb_put(skb, dlen - plen); memcpy(skb->data, scratch, dlen); -out: +out: put_cpu(); return err; } @@ -85,11 +85,11 @@ static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb) struct ip_comp_hdr *ipch; if (skb_linearize_cow(skb)) - goto out; + goto out; skb->ip_summed = CHECKSUM_NONE; - /* Remove ipcomp header and decompress original payload */ + /* Remove ipcomp header and decompress original payload */ iph = skb->nh.iph; ipch = (void *)skb->data; iph->protocol = ipch->nexthdr; @@ -97,7 +97,7 @@ static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb) __skb_pull(skb, sizeof(*ipch)); err = ipcomp_decompress(x, skb); -out: +out: return err; } @@ -109,7 +109,7 @@ static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb) u8 *start, *scratch; struct crypto_comp *tfm; int cpu; - + ihlen = iph->ihl * 4; plen = skb->len - ihlen; dlen = IPCOMP_SCRATCH_SIZE; @@ -127,14 +127,14 @@ static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb) err = -EMSGSIZE; goto out; } - + memcpy(start + sizeof(struct ip_comp_hdr), scratch, dlen); put_cpu(); pskb_trim(skb, ihlen + dlen + sizeof(struct ip_comp_hdr)); return 0; - -out: + +out: put_cpu(); return err; } @@ -157,7 +157,7 @@ static int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb) if (skb_linearize_cow(skb)) goto out_ok; - + err = ipcomp_compress(x, skb); iph = skb->nh.iph; @@ -194,7 +194,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info) spi = htonl(ntohs(ipch->cpi)); x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, - spi, IPPROTO_COMP, AF_INET); + spi, IPPROTO_COMP, AF_INET); if (!x) return; NETDEBUG(KERN_DEBUG "pmtu discovery on SA IPCOMP/%08x/%u.%u.%u.%u\n", @@ -202,12 +202,12 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info) xfrm_state_put(x); } -/* We always hold one tunnel user reference to indicate a tunnel */ +/* We always hold one tunnel user reference to indicate a tunnel */ static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x) { struct xfrm_state *t; u8 mode = XFRM_MODE_TUNNEL; - + t = xfrm_state_alloc(); if (t == NULL) goto out; @@ -247,7 +247,7 @@ static int ipcomp_tunnel_attach(struct xfrm_state *x) struct xfrm_state *t; t = xfrm_state_lookup((xfrm_address_t *)&x->id.daddr.a4, - x->props.saddr.a4, IPPROTO_IPIP, AF_INET); + x->props.saddr.a4, IPPROTO_IPIP, AF_INET); if (!t) { t = ipcomp_tunnel_create(x); if (!t) { |
