dccp: Cleanup routines for feature negotiation

This inserts the required de-allocation routines for memory allocated
by feature negotiation in the socket destructors, replacing
dccp_feat_clean() in one instance.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index cbf522dfecc4..528baa2e5be4 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -545,6 +545,7 @@ out:
 
 static void dccp_v4_reqsk_destructor(struct request_sock *req)
 {
+        dccp_feat_list_purge(&dccp_rsk(req)->dreq_featneg);
         kfree(inet_rsk(req)->opt);
 }