tcp: pass fl6 to inet6_csk_route_req()

This commit changes inet_csk_route_req() so that it uses a pointer to
a struct flowi6, rather than allocating its own on the stack. This
brings its behavior in line with its IPv4 cousin,
inet_csk_route_req(), and allows a follow-on patch to fix a dst leak.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h
index 1866a676c810..df2a857e853d 100644
--- a/include/net/inet6_connection_sock.h
+++ b/include/net/inet6_connection_sock.h
@@ -26,6 +26,7 @@ extern int inet6_csk_bind_conflict(const struct sock *sk,
                                    const struct inet_bind_bucket *tb, bool relax);
 
 extern struct dst_entry* inet6_csk_route_req(struct sock *sk,
+                                             struct flowi6 *fl6,
                                              const struct request_sock *req);
 
 extern struct request_sock *inet6_csk_search_req(const struct sock *sk,