4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Xin Long <lucien....@gmail.com>


[ Upstream commit b7953d3c0e30a5fc944f6b7bd0bcceb0794bcd85 ]

The patch "dccp: fix a memleak that dccp_ipv6 doesn't put reqsk
properly" fixed reqsk refcnt leak for dccp_ipv6. The same issue
exists on dccp_ipv4.

This patch is to fix it for dccp_ipv4.

Signed-off-by: Xin Long <lucien....@gmail.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 net/dccp/ipv4.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -635,6 +635,7 @@ int dccp_v4_conn_request(struct sock *sk
                goto drop_and_free;
 
        inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
+       reqsk_put(req);
        return 0;
 
 drop_and_free:


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