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Commit 80c0bc9e authored by David S. Miller's avatar David S. Miller
Browse files

xfrm: Kill XFRM_LOOKUP_WAIT flag. 



This can be determined from the flow flags instead.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a1414715

include/net/dst.h

+1 −2
Original line number Diff line number Diff line
@@ -421,8 +421,7 @@ extern void dst_init(void); 


/* Flags for xfrm_lookup flags argument. */

enum {

	XFRM_LOOKUP_WAIT = 1 << 0,

	XFRM_LOOKUP_ICMP = 1 << 1,

	XFRM_LOOKUP_ICMP = 1 << 0,

};



struct flowi;

net/decnet/dn_route.c

+3 −2
Original line number Diff line number Diff line
@@ -1233,8 +1233,9 @@ int dn_route_output_sock(struct dst_entry **pprt, struct flowi *fl, struct sock 


	err = __dn_route_output_key(pprt, fl, flags & MSG_TRYHARD);

	if (err == 0 && fl->proto) {

		err = xfrm_lookup(&init_net, pprt, fl, sk,

				 (flags & MSG_DONTWAIT) ? 0 : XFRM_LOOKUP_WAIT);

		if (!(flags & MSG_DONTWAIT))

			fl->flags |= FLOWI_FLAG_CAN_SLEEP;

		err = xfrm_lookup(&init_net, pprt, fl, sk, 0);

	}

	return err;

}

net/ipv4/route.c

+1 −3
Original line number Diff line number Diff line
@@ -2732,9 +2732,7 @@ int ip_route_output_flow(struct net *net, struct rtable **rp, struct flowi *flp, 
			flp->fl4_src = (*rp)->rt_src;

		if (!flp->fl4_dst)

			flp->fl4_dst = (*rp)->rt_dst;

		err = __xfrm_lookup(net, (struct dst_entry **)rp, flp, sk,

				    ((flp->flags & FLOWI_FLAG_CAN_SLEEP) ?

				     XFRM_LOOKUP_WAIT : 0));

		err = __xfrm_lookup(net, (struct dst_entry **)rp, flp, sk, 0);

		if (err == -EREMOTE)

			err = ipv4_dst_blackhole(net, rp, flp);

net/ipv6/ip6_output.c

+2 −2
Original line number Diff line number Diff line
@@ -1027,7 +1027,7 @@ struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi *fl, 
		ipv6_addr_copy(&fl->fl6_dst, final_dst);

	if (can_sleep) {

		fl->flags |= FLOWI_FLAG_CAN_SLEEP;

		err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, XFRM_LOOKUP_WAIT);

		err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, 0);

		if (err == -EREMOTE)

			err = ip6_dst_blackhole(sk, &dst, fl);

		if (err)
@@ -1072,7 +1072,7 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi *fl, 
		ipv6_addr_copy(&fl->fl6_dst, final_dst);

	if (can_sleep) {

		fl->flags |= FLOWI_FLAG_CAN_SLEEP;

		err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, XFRM_LOOKUP_WAIT);

		err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, 0);

		if (err == -EREMOTE)

			err = ip6_dst_blackhole(sk, &dst, fl);

		if (err)

net/xfrm/xfrm_policy.c

+1 −1
Original line number Diff line number Diff line
@@ -1831,7 +1831,7 @@ int __xfrm_lookup(struct net *net, struct dst_entry **dst_p, 
			XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTNOSTATES);

			return -EREMOTE;

		}

		if (flags & XFRM_LOOKUP_WAIT) {

		if (fl->flags & FLOWI_FLAG_CAN_SLEEP) {

			DECLARE_WAITQUEUE(wait, current);



			add_wait_queue(&net->xfrm.km_waitq, &wait);