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xfrm: Kill XFRM_LOOKUP_WAIT flag.

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This can be determined from the flow flags instead.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-03-01 14:36:37 -08:00
parent a1414715f0
commit 80c0bc9e37
5 changed files with 8 additions and 10 deletions
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3
include/net/dst.h
View File

@ -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;

5
net/decnet/dn_route.c
View File

@ -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;
}

4
net/ipv4/route.c
View File

@ -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);

4
net/ipv6/ip6_output.c
View File

@ -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)

2
net/xfrm/xfrm_policy.c
View File

@ -1831,7 +1831,7 @@ restart:
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);