net: Add FLOWI_FLAG_CAN_SLEEP.
And set is in contexts where the route resolution can sleep.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 28209b2..77b1942 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1026,6 +1026,7 @@
if (final_dst)
ipv6_addr_copy(&fl->fl6_dst, final_dst);
if (want_blackhole) {
+ fl->flags |= FLOWI_FLAG_CAN_SLEEP;
err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, XFRM_LOOKUP_WAIT);
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, fl);
@@ -1070,6 +1071,7 @@
if (final_dst)
ipv6_addr_copy(&fl->fl6_dst, final_dst);
if (want_blackhole) {
+ fl->flags |= FLOWI_FLAG_CAN_SLEEP;
err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, XFRM_LOOKUP_WAIT);
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, fl);