Patchwork [5/5] dccp: Cleanup routines for feature negotiation

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Submitter Gerrit Renker
Date Oct. 4, 2008, 9:13 a.m.
Message ID <1223111606-5308-6-git-send-email-gerrit@erg.abdn.ac.uk>
Download mbox | patch
Permalink /patch/2681/
State Rejected
Delegated to: David Miller
Headers show

Comments

Gerrit Renker - Oct. 4, 2008, 9:13 a.m.
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>
---
 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(-)

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Patch

--- 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);