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Commit e651f03a authored by Gerrit Renker's avatar Gerrit Renker Committed by David S. Miller
Browse files

inet6: Conversion from u8 to int 



This replaces assignments of the type "int on LHS" = "u8 on RHS" with
simpler code. The LHS can express all of the unsigned right hand side
values, hence the assigned value can not be negative.

Signed-off-by: default avatarGerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9ec04da7

net/ipv6/icmp.c

+4 −13
Original line number Diff line number Diff line
@@ -323,7 +323,7 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info, 
	int iif = 0;

	int addr_type = 0;

	int len;

	int hlimit, tclass;

	int hlimit;

	int err = 0;



	if ((u8 *)hdr < skb->head ||
@@ -469,10 +469,6 @@ route_done: 
	if (hlimit < 0)

		hlimit = ip6_dst_hoplimit(dst);



	tclass = np->tclass;

	if (tclass < 0)

		tclass = 0;



	msg.skb = skb;

	msg.offset = skb_network_offset(skb);

	msg.type = type;
@@ -488,8 +484,8 @@ route_done: 


	err = ip6_append_data(sk, icmpv6_getfrag, &msg,

			      len + sizeof(struct icmp6hdr),

			      sizeof(struct icmp6hdr),

			      hlimit, tclass, NULL, &fl, (struct rt6_info*)dst,

			      sizeof(struct icmp6hdr), hlimit,

			      np->tclass, NULL, &fl, (struct rt6_info*)dst,

			      MSG_DONTWAIT);

	if (err) {

		ip6_flush_pending_frames(sk);
@@ -522,7 +518,6 @@ static void icmpv6_echo_reply(struct sk_buff *skb) 
	struct dst_entry *dst;

	int err = 0;

	int hlimit;

	int tclass;



	saddr = &ipv6_hdr(skb)->daddr;
@@ -562,10 +557,6 @@ static void icmpv6_echo_reply(struct sk_buff *skb) 
	if (hlimit < 0)

		hlimit = ip6_dst_hoplimit(dst);



	tclass = np->tclass;

	if (tclass < 0)

		tclass = 0;



	idev = in6_dev_get(skb->dev);



	msg.skb = skb;
@@ -573,7 +564,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb) 
	msg.type = ICMPV6_ECHO_REPLY;



	err = ip6_append_data(sk, icmpv6_getfrag, &msg, skb->len + sizeof(struct icmp6hdr),

				sizeof(struct icmp6hdr), hlimit, tclass, NULL, &fl,

				sizeof(struct icmp6hdr), hlimit, np->tclass, NULL, &fl,

				(struct rt6_info*)dst, MSG_DONTWAIT);



	if (err) {

net/ipv6/ip6_output.c

+5 −10
Original line number Diff line number Diff line
@@ -194,7 +194,8 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl, 
	struct ipv6hdr *hdr;

	u8  proto = fl->proto;

	int seg_len = skb->len;

	int hlimit, tclass;

	int hlimit = -1;

	int tclass = 0;

	u32 mtu;



	if (opt) {
@@ -237,19 +238,13 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl, 
	/*

	 *	Fill in the IPv6 header

	 */



	hlimit = -1;

	if (np)

	if (np) {

		tclass = np->tclass;

		hlimit = np->hop_limit;

	}

	if (hlimit < 0)

		hlimit = ip6_dst_hoplimit(dst);



	tclass = -1;

	if (np)

		tclass = np->tclass;

	if (tclass < 0)

		tclass = 0;



	*(__be32 *)hdr = htonl(0x60000000 | (tclass << 20)) | fl->fl6_flowlabel;



	hdr->payload_len = htons(seg_len);

net/ipv6/ipv6_sockglue.c

+0 −2
Original line number Diff line number Diff line
@@ -1037,8 +1037,6 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, 


	case IPV6_TCLASS:

		val = np->tclass;

		if (val < 0)

			val = 0;

		break;



	case IPV6_RECVTCLASS:

net/ipv6/raw.c

+1 −4
Original line number Diff line number Diff line
@@ -877,11 +877,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, 
			hlimit = ip6_dst_hoplimit(dst);

	}



	if (tclass < 0) {

		tclass = np->tclass;

	if (tclass < 0)

			tclass = 0;

	}

		tclass = np->tclass;



	if (msg->msg_flags&MSG_CONFIRM)

		goto do_confirm;

net/ipv6/udp.c

+1 −4
Original line number Diff line number Diff line
@@ -946,11 +946,8 @@ do_udp_sendmsg: 
			hlimit = ip6_dst_hoplimit(dst);

	}



	if (tclass < 0) {

		tclass = np->tclass;

	if (tclass < 0)

			tclass = 0;

	}

		tclass = np->tclass;



	if (msg->msg_flags&MSG_CONFIRM)

		goto do_confirm;