From dd86d136f9feb72c52a5b07707affe80edbc8dda Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:11:13 -0800 Subject: [PATCH] [SCTP]: Switch ->from_addr_param() to net-endian. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- include/net/sctp/structs.h | 2 +- net/sctp/bind_addr.c | 6 ++---- net/sctp/input.c | 6 ++---- net/sctp/ipv6.c | 2 +- net/sctp/protocol.c | 2 +- net/sctp/sm_make_chunk.c | 29 ++++++++++++----------------- 6 files changed, 19 insertions(+), 28 deletions(-) diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 1616a38a0be3..8f6619dbb666 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -575,7 +575,7 @@ struct sctp_af { struct sock *sk); void (*from_addr_param) (union sctp_addr *, union sctp_addr_param *, - __u16 port, int iif); + __be16 port, int iif); int (*to_addr_param) (const union sctp_addr *, union sctp_addr_param *); int (*addr_valid) (union sctp_addr *, diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index eb3a5e25777d..fd0f812f8a46 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -264,7 +264,6 @@ int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw_addr_list, int retval = 0; int len; struct sctp_af *af; - union sctp_addr tmp; /* Convert the raw address to standard address format */ while (addrs_len) { @@ -278,9 +277,8 @@ int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw_addr_list, break; } - af->from_addr_param(&addr, rawaddr, port, 0); - flip_to_n(&tmp, &addr); - retval = sctp_add_bind_addr(bp, &tmp, 1, gfp); + af->from_addr_param(&addr, rawaddr, htons(port), 0); + retval = sctp_add_bind_addr(bp, &addr, 1, gfp); if (retval) { /* Can't finish building the list, clean up. */ sctp_bind_addr_clean(bp); diff --git a/net/sctp/input.c b/net/sctp/input.c index 3b4a552c9f18..2d660f8d94fd 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -914,7 +914,6 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb, sctp_init_chunk_t *init; struct sctp_transport *transport; struct sctp_af *af; - union sctp_addr tmp2; ch = (sctp_chunkhdr_t *) skb->data; @@ -961,10 +960,9 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb, if (!af) continue; - af->from_addr_param(paddr, params.addr, ntohs(sh->source), 0); - flip_to_n(&tmp2, paddr); + af->from_addr_param(paddr, params.addr, sh->source, 0); - asoc = __sctp_lookup_association(laddr, &tmp2, &transport); + asoc = __sctp_lookup_association(laddr, paddr, &transport); if (asoc) return asoc; } diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index d6b585b85cbb..566cdc9977c4 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -408,7 +408,7 @@ static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk) /* Initialize a sctp_addr from an address parameter. */ static void sctp_v6_from_addr_param(union sctp_addr *addr, union sctp_addr_param *param, - __u16 port, int iif) + __be16 port, int iif) { addr->v6.sin6_family = AF_INET6; addr->v6.sin6_port = port; diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index a6bcbf560e36..87d36f440d1d 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -292,7 +292,7 @@ static void sctp_v4_to_sk_daddr(union sctp_addr *addr, struct sock *sk) /* Initialize a sctp_addr from an address parameter. */ static void sctp_v4_from_addr_param(union sctp_addr *addr, union sctp_addr_param *param, - __u16 port, int iif) + __be16 port, int iif) { addr->v4.sin_family = AF_INET; addr->v4.sin_port = port; diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 46cfcca5e41b..b367ad59ed4a 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2021,7 +2021,6 @@ static int sctp_process_param(struct sctp_association *asoc, sctp_scope_t scope; time_t stale; struct sctp_af *af; - union sctp_addr tmp; /* We maintain all INIT parameters in network byte order all the * time. This allows us to not worry about whether the parameters @@ -2034,11 +2033,10 @@ static int sctp_process_param(struct sctp_association *asoc, /* Fall through. */ case SCTP_PARAM_IPV4_ADDRESS: af = sctp_get_af_specific(param_type2af(param.p->type)); - af->from_addr_param(&addr, param.addr, asoc->peer.port, 0); - flip_to_n(&tmp, &addr); + af->from_addr_param(&addr, param.addr, htons(asoc->peer.port), 0); scope = sctp_scope(peer_addr); - if (sctp_in_scope(&tmp, scope)) - if (!sctp_assoc_add_peer(asoc, &tmp, gfp, SCTP_UNCONFIRMED)) + if (sctp_in_scope(&addr, scope)) + if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_UNCONFIRMED)) return 0; break; @@ -2421,7 +2419,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, union sctp_addr addr; struct list_head *pos; union sctp_addr_param *addr_param; - union sctp_addr tmp, tmp_addr; + union sctp_addr tmp; addr_param = (union sctp_addr_param *) ((void *)asconf_param + sizeof(sctp_addip_param_t)); @@ -2430,8 +2428,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, if (unlikely(!af)) return SCTP_ERROR_INV_PARAM; - af->from_addr_param(&addr, addr_param, asoc->peer.port, 0); - flip_to_n(&tmp_addr, &addr); + af->from_addr_param(&addr, addr_param, htons(asoc->peer.port), 0); switch (asconf_param->param_hdr.type) { case SCTP_PARAM_ADD_IP: /* ADDIP 4.3 D9) If an endpoint receives an ADD IP address @@ -2441,7 +2438,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, * Due to Resource Shortage'. */ - peer = sctp_assoc_add_peer(asoc, &tmp_addr, GFP_ATOMIC, SCTP_UNCONFIRMED); + peer = sctp_assoc_add_peer(asoc, &addr, GFP_ATOMIC, SCTP_UNCONFIRMED); if (!peer) return SCTP_ERROR_RSRC_LOW; @@ -2467,13 +2464,13 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, * Delete Source IP Address' */ flip_to_n(&tmp, sctp_source(asconf)); - if (sctp_cmp_addr_exact(&tmp, &tmp_addr)) + if (sctp_cmp_addr_exact(&tmp, &addr)) return SCTP_ERROR_DEL_SRC_IP; - sctp_assoc_del_peer(asoc, &tmp_addr); + sctp_assoc_del_peer(asoc, &addr); break; case SCTP_PARAM_SET_PRIMARY: - peer = sctp_assoc_lookup_paddr(asoc, &tmp_addr); + peer = sctp_assoc_lookup_paddr(asoc, &addr); if (!peer) return SCTP_ERROR_INV_PARAM; @@ -2591,15 +2588,13 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, struct sctp_transport *transport; struct sctp_sockaddr_entry *saddr; int retval = 0; - union sctp_addr tmp; addr_param = (union sctp_addr_param *) ((void *)asconf_param + sizeof(sctp_addip_param_t)); /* We have checked the packet before, so we do not check again. */ af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type)); - af->from_addr_param(&addr, addr_param, bp->port, 0); - flip_to_n(&tmp, &addr); + af->from_addr_param(&addr, addr_param, htons(bp->port), 0); switch (asconf_param->param_hdr.type) { case SCTP_PARAM_ADD_IP: @@ -2607,7 +2602,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, sctp_write_lock(&asoc->base.addr_lock); list_for_each(pos, &bp->address_list) { saddr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_cmp_addr_exact(&saddr->a, &tmp)) + if (sctp_cmp_addr_exact(&saddr->a, &addr)) saddr->use_as_src = 1; } sctp_write_unlock(&asoc->base.addr_lock); @@ -2616,7 +2611,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, case SCTP_PARAM_DEL_IP: sctp_local_bh_disable(); sctp_write_lock(&asoc->base.addr_lock); - retval = sctp_del_bind_addr(bp, &tmp); + retval = sctp_del_bind_addr(bp, &addr); sctp_write_unlock(&asoc->base.addr_lock); sctp_local_bh_enable(); list_for_each(pos, &asoc->peer.transport_addr_list) { -- 2.34.1