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@xxxxxxxxxxxxxx>
Acked-by: Ian McDonald <ian.mcdonald@xxxxxxxxxxx>
---
net/dccp/dccp.h | 2 ++
net/dccp/ipv4.c | 1 +
net/dccp/ipv6.c | 1 +
net/dccp/proto.c | 2 +-
4 files changed, 5 insertions(+), 1 deletions(-)
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -442,6 +442,8 @@ static inline int dccp_ack_pending(const struct sock *sk)
inet_csk_ack_scheduled(sk);
}
+extern void dccp_feat_list_purge(struct list_head *fn_list);
+
extern int dccp_insert_options(struct sock *sk, struct sk_buff *skb);
extern int dccp_insert_options_rsk(struct dccp_request_sock*, struct sk_buff*);
extern int dccp_insert_option_elapsed_time(struct sock *sk,
--- 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);
}
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -302,6 +302,7 @@ done:
static void dccp_v6_reqsk_destructor(struct request_sock *req)
{
+ dccp_feat_list_purge(&dccp_rsk(req)->dreq_featneg);
if (inet6_rsk(req)->pktopts != NULL)
kfree_skb(inet6_rsk(req)->pktopts);
}
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -268,7 +268,7 @@ void dccp_destroy_sock(struct sock *sk)
dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
/* clean up feature negotiation state */
- dccp_feat_clean(dmsk);
+ dccp_feat_list_purge(&dp->dccps_featneg);
}
EXPORT_SYMBOL_GPL(dccp_destroy_sock);
--
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