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Commit 375d9d71 authored by Steven Whitehouse's avatar Steven Whitehouse Committed by David S. Miller
Browse files

[DECNET]: Endianess fixes (try #2) 



Here are some fixes to endianess problems spotted by Al Viro.

Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent af2c6a4a

net/decnet/af_decnet.c

+13 −12
Original line number Diff line number Diff line
@@ -166,7 +166,7 @@ static struct hlist_head *dn_find_list(struct sock *sk) 
	if (scp->addr.sdn_flags & SDF_WILD)

		return hlist_empty(&dn_wild_sk) ? &dn_wild_sk : NULL;



	return &dn_sk_hash[scp->addrloc & DN_SK_HASH_MASK];

	return &dn_sk_hash[dn_ntohs(scp->addrloc) & DN_SK_HASH_MASK];

}



/*
@@ -180,7 +180,7 @@ static int check_port(__le16 port) 
	if (port == 0)

		return -1;



	sk_for_each(sk, node, &dn_sk_hash[port & DN_SK_HASH_MASK]) {

	sk_for_each(sk, node, &dn_sk_hash[dn_ntohs(port) & DN_SK_HASH_MASK]) {

		struct dn_scp *scp = DN_SK(sk);

		if (scp->addrloc == port)

			return -1;
@@ -194,12 +194,12 @@ static unsigned short port_alloc(struct sock *sk) 
static unsigned short port = 0x2000;

	unsigned short i_port = port;



	while(check_port(++port) != 0) {

	while(check_port(dn_htons(++port)) != 0) {

		if (port == i_port)

			return 0;

	}



	scp->addrloc = port;

	scp->addrloc = dn_htons(port);



	return 1;

}
@@ -418,7 +418,7 @@ struct sock *dn_find_by_skb(struct sk_buff *skb) 
	struct dn_scp *scp;



	read_lock(&dn_hash_lock);

	sk_for_each(sk, node, &dn_sk_hash[cb->dst_port & DN_SK_HASH_MASK]) {

	sk_for_each(sk, node, &dn_sk_hash[dn_ntohs(cb->dst_port) & DN_SK_HASH_MASK]) {

		scp = DN_SK(sk);

		if (cb->src != dn_saddr2dn(&scp->peer))

			continue;
@@ -1017,12 +1017,13 @@ static void dn_access_copy(struct sk_buff *skb, struct accessdata_dn *acc) 
static void dn_user_copy(struct sk_buff *skb, struct optdata_dn *opt)

{

	unsigned char *ptr = skb->data;

	u16 len = *ptr++; /* yes, it's 8bit on the wire */



        opt->opt_optl   = *ptr++;

	BUG_ON(len > 16); /* we've checked the contents earlier */

	opt->opt_optl   = dn_htons(len);

	opt->opt_status = 0;

        memcpy(opt->opt_data, ptr, opt->opt_optl);

        skb_pull(skb, dn_ntohs(opt->opt_optl) + 1);



	memcpy(opt->opt_data, ptr, len);

	skb_pull(skb, len + 1);

}



static struct sk_buff *dn_wait_for_connect(struct sock *sk, long *timeo)

net/decnet/dn_nsp_in.c

+4 −4
Original line number Diff line number Diff line
@@ -360,9 +360,9 @@ static void dn_nsp_conn_conf(struct sock *sk, struct sk_buff *skb) 
			scp->max_window = decnet_no_fc_max_cwnd;



		if (skb->len > 0) {

			unsigned char dlen = *skb->data;

			u16 dlen = *skb->data;

			if ((dlen <= 16) && (dlen <= skb->len)) {

				scp->conndata_in.opt_optl = dn_htons((__u16)dlen);

				scp->conndata_in.opt_optl = dn_htons(dlen);

				memcpy(scp->conndata_in.opt_data, skb->data + 1, dlen);

			}

		}
@@ -404,9 +404,9 @@ static void dn_nsp_disc_init(struct sock *sk, struct sk_buff *skb) 
	memset(scp->discdata_in.opt_data, 0, 16);



	if (skb->len > 0) {

		unsigned char dlen = *skb->data;

		u16 dlen = *skb->data;

		if ((dlen <= 16) && (dlen <= skb->len)) {

			scp->discdata_in.opt_optl = dn_htons((__u16)dlen);

			scp->discdata_in.opt_optl = dn_htons(dlen);

			memcpy(scp->discdata_in.opt_data, skb->data + 1, dlen);

		}

	}

net/decnet/dn_nsp_out.c

+1 −1
Original line number Diff line number Diff line
@@ -526,7 +526,7 @@ void dn_send_conn_conf(struct sock *sk, gfp_t gfp) 
        struct nsp_conn_init_msg *msg;

	__u8 len = (__u8)dn_ntohs(scp->conndata_out.opt_optl);



	if ((skb = dn_alloc_skb(sk, 50 + dn_ntohs(scp->conndata_out.opt_optl), gfp)) == NULL)

	if ((skb = dn_alloc_skb(sk, 50 + len, gfp)) == NULL)

		return;



        msg = (struct nsp_conn_init_msg *)skb_put(skb, sizeof(*msg));

net/decnet/dn_rules.c

+2 −2
Original line number Diff line number Diff line
@@ -124,8 +124,8 @@ static struct nla_policy dn_fib_rule_policy[FRA_MAX+1] __read_mostly = { 
static int dn_fib_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)

{

	struct dn_fib_rule *r = (struct dn_fib_rule *)rule;

	u16 daddr = fl->fld_dst;

	u16 saddr = fl->fld_src;

	__le16 daddr = fl->fld_dst;

	__le16 saddr = fl->fld_src;



	if (((saddr ^ r->src) & r->srcmask) ||

	    ((daddr ^ r->dst) & r->dstmask))